Home / 28,393,624.80-42,579,939.60-9,225,007.20

Finding the Fourth Proportional to 28,393,624.80, 42,579,939.60 and 9,225,007.20

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Solution

The fourth proportional to 28,393,624.80, 42,579,939.60 and 9,225,007.20 is: 13,834,100.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,393,624.80 : 42,579,939.60 = 9,225,007.20 : x
  2. Step 2: Convert to fraction form
    28,393,624.80/42,579,939.60 = 9,225,007.20/x
  3. Step 3: Cross multiply
    28,393,624.80x = 42,579,939.60 × 9,225,007.20
  4. Step 4: Simplify right side
    28,393,624.80x = 392,800,249,385,565.12
  5. Step 5: Solve for x
    x = 392,800,249,385,565.12/28,393,624.80
  6. Step 6: Final answer
    x = 13,834,100.16

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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.