Home / 10,371,014.70-15,556,522.05-9,279,264.30

Finding the Fourth Proportional to 10,371,014.70, 15,556,522.05 and 9,279,264.30

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Solution

The fourth proportional to 10,371,014.70, 15,556,522.05 and 9,279,264.30 is: 13,918,896.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,371,014.70 : 15,556,522.05 = 9,279,264.30 : x
  2. Step 2: Convert to fraction form
    10,371,014.70/15,556,522.05 = 9,279,264.30/x
  3. Step 3: Cross multiply
    10,371,014.70x = 15,556,522.05 × 9,279,264.30
  4. Step 4: Simplify right side
    10,371,014.70x = 144,353,079,690,727.84
  5. Step 5: Solve for x
    x = 144,353,079,690,727.84/10,371,014.70
  6. Step 6: Final answer
    x = 13,918,896.45

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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.