Home / 28,345,624.64-42,525,180.16-9,176,380.16

Finding the Fourth Proportional to 28,345,624.64, 42,525,180.16 and 9,176,380.16

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Solution

The fourth proportional to 28,345,624.64, 42,525,180.16 and 9,176,380.16 is: 13,766,753.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,345,624.64 : 42,525,180.16 = 9,176,380.16 : x
  2. Step 2: Convert to fraction form
    28,345,624.64/42,525,180.16 = 9,176,380.16/x
  3. Step 3: Cross multiply
    28,345,624.64x = 42,525,180.16 × 9,176,380.16
  4. Step 4: Simplify right side
    28,345,624.64x = 390,227,219,520,649.62
  5. Step 5: Solve for x
    x = 390,227,219,520,649.62/28,345,624.64
  6. Step 6: Final answer
    x = 13,766,753.23

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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.