Home / 20,842,333.52-28,764,015.90-13,114,000.40

Finding the Fourth Proportional to 20,842,333.52, 28,764,015.90 and 13,114,000.40

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Solution

The fourth proportional to 20,842,333.52, 28,764,015.90 and 13,114,000.40 is: 18,098,324.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,842,333.52 : 28,764,015.90 = 13,114,000.40 : x
  2. Step 2: Convert to fraction form
    20,842,333.52/28,764,015.90 = 13,114,000.40/x
  3. Step 3: Cross multiply
    20,842,333.52x = 28,764,015.90 × 13,114,000.40
  4. Step 4: Simplify right side
    20,842,333.52x = 377,211,316,018,206.38
  5. Step 5: Solve for x
    x = 377,211,316,018,206.38/20,842,333.52
  6. Step 6: Final answer
    x = 18,098,324.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.