Home / 28,356,901.20-42,547,161.60-9,193,532.40

Finding the Fourth Proportional to 28,356,901.20, 42,547,161.60 and 9,193,532.40

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Solution

The fourth proportional to 28,356,901.20, 42,547,161.60 and 9,193,532.40 is: 13,794,127.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,356,901.20 : 42,547,161.60 = 9,193,532.40 : x
  2. Step 2: Convert to fraction form
    28,356,901.20/42,547,161.60 = 9,193,532.40/x
  3. Step 3: Cross multiply
    28,356,901.20x = 42,547,161.60 × 9,193,532.40
  4. Step 4: Simplify right side
    28,356,901.20x = 391,158,708,697,635.88
  5. Step 5: Solve for x
    x = 391,158,708,697,635.88/28,356,901.20
  6. Step 6: Final answer
    x = 13,794,127.43

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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.