Home / 10,590,331.96-15,874,438.74-5,191,507

Finding the Fourth Proportional to 10,590,331.96, 15,874,438.74 and 5,191,507

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Solution

The fourth proportional to 10,590,331.96, 15,874,438.74 and 5,191,507 is: 7,781,839.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,590,331.96 : 15,874,438.74 = 5,191,507 : x
  2. Step 2: Convert to fraction form
    10,590,331.96/15,874,438.74 = 5,191,507/x
  3. Step 3: Cross multiply
    10,590,331.96x = 15,874,438.74 × 5,191,507
  4. Step 4: Simplify right side
    10,590,331.96x = 82,412,259,839,781.19
  5. Step 5: Solve for x
    x = 82,412,259,839,781.19/10,590,331.96
  6. Step 6: Final answer
    x = 7,781,839.15

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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.