Home / 28,247,631.30-42,371,446.95-9,336,399.30

Finding the Fourth Proportional to 28,247,631.30, 42,371,446.95 and 9,336,399.30

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Solution

The fourth proportional to 28,247,631.30, 42,371,446.95 and 9,336,399.30 is: 14,004,598.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,247,631.30 : 42,371,446.95 = 9,336,399.30 : x
  2. Step 2: Convert to fraction form
    28,247,631.30/42,371,446.95 = 9,336,399.30/x
  3. Step 3: Cross multiply
    28,247,631.30x = 42,371,446.95 × 9,336,399.30
  4. Step 4: Simplify right side
    28,247,631.30x = 395,596,747,643,967.19
  5. Step 5: Solve for x
    x = 395,596,747,643,967.19/28,247,631.30
  6. Step 6: Final answer
    x = 14,004,598.95

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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.