Home / 10,870,019.78-15,000,813.63-5,975,448.17

Finding the Fourth Proportional to 10,870,019.78, 15,000,813.63 and 5,975,448.17

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Solution

The fourth proportional to 10,870,019.78, 15,000,813.63 and 5,975,448.17 is: 8,246,220.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,870,019.78 : 15,000,813.63 = 5,975,448.17 : x
  2. Step 2: Convert to fraction form
    10,870,019.78/15,000,813.63 = 5,975,448.17/x
  3. Step 3: Cross multiply
    10,870,019.78x = 15,000,813.63 × 5,975,448.17
  4. Step 4: Simplify right side
    10,870,019.78x = 89,636,584,278,890.50
  5. Step 5: Solve for x
    x = 89,636,584,278,890.50/10,870,019.78
  6. Step 6: Final answer
    x = 8,246,220.90

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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.