Home / 15,295,400.98-21,102,898.98-8,678,894.92

Finding the Fourth Proportional to 15,295,400.98, 21,102,898.98 and 8,678,894.92

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Solution

The fourth proportional to 15,295,400.98, 21,102,898.98 and 8,678,894.92 is: 11,974,177.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,295,400.98 : 21,102,898.98 = 8,678,894.92 : x
  2. Step 2: Convert to fraction form
    15,295,400.98/21,102,898.98 = 8,678,894.92/x
  3. Step 3: Cross multiply
    15,295,400.98x = 21,102,898.98 × 8,678,894.92
  4. Step 4: Simplify right side
    15,295,400.98x = 183,149,842,754,795.19
  5. Step 5: Solve for x
    x = 183,149,842,754,795.19/15,295,400.98
  6. Step 6: Final answer
    x = 11,974,177.27

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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.