Home / 13,133,666.17-19,712,609.49-6,661,284.04

Finding the Fourth Proportional to 13,133,666.17, 19,712,609.49 and 6,661,284.04

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Solution

The fourth proportional to 13,133,666.17, 19,712,609.49 and 6,661,284.04 is: 9,998,068.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,133,666.17 : 19,712,609.49 = 6,661,284.04 : x
  2. Step 2: Convert to fraction form
    13,133,666.17/19,712,609.49 = 6,661,284.04/x
  3. Step 3: Cross multiply
    13,133,666.17x = 19,712,609.49 × 6,661,284.04
  4. Step 4: Simplify right side
    13,133,666.17x = 131,311,290,982,489.53
  5. Step 5: Solve for x
    x = 131,311,290,982,489.53/13,133,666.17
  6. Step 6: Final answer
    x = 9,998,068.27

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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.