Home / 48,290,426.70-72,435,640.05-15,947,321.10

Finding the Fourth Proportional to 48,290,426.70, 72,435,640.05 and 15,947,321.10

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Solution

The fourth proportional to 48,290,426.70, 72,435,640.05 and 15,947,321.10 is: 23,920,981.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,290,426.70 : 72,435,640.05 = 15,947,321.10 : x
  2. Step 2: Convert to fraction form
    48,290,426.70/72,435,640.05 = 15,947,321.10/x
  3. Step 3: Cross multiply
    48,290,426.70x = 72,435,640.05 × 15,947,321.10
  4. Step 4: Simplify right side
    48,290,426.70x = 1,155,154,410,961,370
  5. Step 5: Solve for x
    x = 1,155,154,410,961,370/48,290,426.70
  6. Step 6: Final answer
    x = 23,920,981.65

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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.