Home / 14,166,711.20-21,255,315.60-13,641,831.20

Finding the Fourth Proportional to 14,166,711.20, 21,255,315.60 and 13,641,831.20

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Solution

The fourth proportional to 14,166,711.20, 21,255,315.60 and 13,641,831.20 is: 20,467,801.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,166,711.20 : 21,255,315.60 = 13,641,831.20 : x
  2. Step 2: Convert to fraction form
    14,166,711.20/21,255,315.60 = 13,641,831.20/x
  3. Step 3: Cross multiply
    14,166,711.20x = 21,255,315.60 × 13,641,831.20
  4. Step 4: Simplify right side
    14,166,711.20x = 289,961,427,517,926.75
  5. Step 5: Solve for x
    x = 289,961,427,517,926.75/14,166,711.20
  6. Step 6: Final answer
    x = 20,467,801.13

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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.