Home / 19,172,002.40-28,758,003.60-14,888,981.60

Finding the Fourth Proportional to 19,172,002.40, 28,758,003.60 and 14,888,981.60

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Solution

The fourth proportional to 19,172,002.40, 28,758,003.60 and 14,888,981.60 is: 22,333,472.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,172,002.40 : 28,758,003.60 = 14,888,981.60 : x
  2. Step 2: Convert to fraction form
    19,172,002.40/28,758,003.60 = 14,888,981.60/x
  3. Step 3: Cross multiply
    19,172,002.40x = 28,758,003.60 × 14,888,981.60
  4. Step 4: Simplify right side
    19,172,002.40x = 428,177,386,453,133.75
  5. Step 5: Solve for x
    x = 428,177,386,453,133.75/19,172,002.40
  6. Step 6: Final answer
    x = 22,333,472.40

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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.