Home / 28,685,624.65-39,585,007.12-15,632,603.30

Finding the Fourth Proportional to 28,685,624.65, 39,585,007.12 and 15,632,603.30

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Solution

The fourth proportional to 28,685,624.65, 39,585,007.12 and 15,632,603.30 is: 21,572,363.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,685,624.65 : 39,585,007.12 = 15,632,603.30 : x
  2. Step 2: Convert to fraction form
    28,685,624.65/39,585,007.12 = 15,632,603.30/x
  3. Step 3: Cross multiply
    28,685,624.65x = 39,585,007.12 × 15,632,603.30
  4. Step 4: Simplify right side
    28,685,624.65x = 618,816,712,934,635.50
  5. Step 5: Solve for x
    x = 618,816,712,934,635.50/28,685,624.65
  6. Step 6: Final answer
    x = 21,572,363.18

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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.