Home / 10,531,409.70-15,797,114.55-9,335,667.45

Finding the Fourth Proportional to 10,531,409.70, 15,797,114.55 and 9,335,667.45

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Solution

The fourth proportional to 10,531,409.70, 15,797,114.55 and 9,335,667.45 is: 14,003,501.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,531,409.70 : 15,797,114.55 = 9,335,667.45 : x
  2. Step 2: Convert to fraction form
    10,531,409.70/15,797,114.55 = 9,335,667.45/x
  3. Step 3: Cross multiply
    10,531,409.70x = 15,797,114.55 × 9,335,667.45
  4. Step 4: Simplify right side
    10,531,409.70x = 147,476,608,108,356.41
  5. Step 5: Solve for x
    x = 147,476,608,108,356.41/10,531,409.70
  6. Step 6: Final answer
    x = 14,003,501.18

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.