Home / 28,332,354.80-42,488,034.60-9,163,737.20

Finding the Fourth Proportional to 28,332,354.80, 42,488,034.60 and 9,163,737.20

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Solution

The fourth proportional to 28,332,354.80, 42,488,034.60 and 9,163,737.20 is: 13,742,210.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,332,354.80 : 42,488,034.60 = 9,163,737.20 : x
  2. Step 2: Convert to fraction form
    28,332,354.80/42,488,034.60 = 9,163,737.20/x
  3. Step 3: Cross multiply
    28,332,354.80x = 42,488,034.60 × 9,163,737.20
  4. Step 4: Simplify right side
    28,332,354.80x = 389,349,183,218,907.12
  5. Step 5: Solve for x
    x = 389,349,183,218,907.12/28,332,354.80
  6. Step 6: Final answer
    x = 13,742,210.49

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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.