Home / 15,588,901.53-21,502,547.61-9,998,292.87

Finding the Fourth Proportional to 15,588,901.53, 21,502,547.61 and 9,998,292.87

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Solution

The fourth proportional to 15,588,901.53, 21,502,547.61 and 9,998,292.87 is: 13,791,142.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,588,901.53 : 21,502,547.61 = 9,998,292.87 : x
  2. Step 2: Convert to fraction form
    15,588,901.53/21,502,547.61 = 9,998,292.87/x
  3. Step 3: Cross multiply
    15,588,901.53x = 21,502,547.61 × 9,998,292.87
  4. Step 4: Simplify right side
    15,588,901.53x = 214,988,768,524,976.50
  5. Step 5: Solve for x
    x = 214,988,768,524,976.50/15,588,901.53
  6. Step 6: Final answer
    x = 13,791,142.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.