Home / 26,285,428.80-39,428,143.20-9,243,887.40

Finding the Fourth Proportional to 26,285,428.80, 39,428,143.20 and 9,243,887.40

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Solution

The fourth proportional to 26,285,428.80, 39,428,143.20 and 9,243,887.40 is: 13,865,831.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,285,428.80 : 39,428,143.20 = 9,243,887.40 : x
  2. Step 2: Convert to fraction form
    26,285,428.80/39,428,143.20 = 9,243,887.40/x
  3. Step 3: Cross multiply
    26,285,428.80x = 39,428,143.20 × 9,243,887.40
  4. Step 4: Simplify right side
    26,285,428.80x = 364,469,316,131,875.75
  5. Step 5: Solve for x
    x = 364,469,316,131,875.75/26,285,428.80
  6. Step 6: Final answer
    x = 13,865,831.10

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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.