Home / 10,253,478.60-15,386,122.80-3,868,313.40

Finding the Fourth Proportional to 10,253,478.60, 15,386,122.80 and 3,868,313.40

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Solution

The fourth proportional to 10,253,478.60, 15,386,122.80 and 3,868,313.40 is: 5,804,697.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,253,478.60 : 15,386,122.80 = 3,868,313.40 : x
  2. Step 2: Convert to fraction form
    10,253,478.60/15,386,122.80 = 3,868,313.40/x
  3. Step 3: Cross multiply
    10,253,478.60x = 15,386,122.80 × 3,868,313.40
  4. Step 4: Simplify right side
    10,253,478.60x = 59,518,345,001,285.52
  5. Step 5: Solve for x
    x = 59,518,345,001,285.52/10,253,478.60
  6. Step 6: Final answer
    x = 5,804,697.83

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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.