Home / 28,499,450.40-42,754,359.60-9,324,871.20

Finding the Fourth Proportional to 28,499,450.40, 42,754,359.60 and 9,324,871.20

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Solution

The fourth proportional to 28,499,450.40, 42,754,359.60 and 9,324,871.20 is: 13,989,002.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,499,450.40 : 42,754,359.60 = 9,324,871.20 : x
  2. Step 2: Convert to fraction form
    28,499,450.40/42,754,359.60 = 9,324,871.20/x
  3. Step 3: Cross multiply
    28,499,450.40x = 42,754,359.60 × 9,324,871.20
  4. Step 4: Simplify right side
    28,499,450.40x = 398,678,896,508,483.50
  5. Step 5: Solve for x
    x = 398,678,896,508,483.50/28,499,450.40
  6. Step 6: Final answer
    x = 13,989,002.98

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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.