Home / 7,380,740.70-11,071,111.05-6,385,412.70

Finding the Fourth Proportional to 7,380,740.70, 11,071,111.05 and 6,385,412.70

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Solution

The fourth proportional to 7,380,740.70, 11,071,111.05 and 6,385,412.70 is: 9,578,119.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,380,740.70 : 11,071,111.05 = 6,385,412.70 : x
  2. Step 2: Convert to fraction form
    7,380,740.70/11,071,111.05 = 6,385,412.70/x
  3. Step 3: Cross multiply
    7,380,740.70x = 11,071,111.05 × 6,385,412.70
  4. Step 4: Simplify right side
    7,380,740.70x = 70,693,613,101,780.34
  5. Step 5: Solve for x
    x = 70,693,613,101,780.34/7,380,740.70
  6. Step 6: Final answer
    x = 9,578,119.05

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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.