Home / 14,165,668.80-21,248,503.20-11,331,316.80

Finding the Fourth Proportional to 14,165,668.80, 21,248,503.20 and 11,331,316.80

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Solution

The fourth proportional to 14,165,668.80, 21,248,503.20 and 11,331,316.80 is: 16,996,975.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,165,668.80 : 21,248,503.20 = 11,331,316.80 : x
  2. Step 2: Convert to fraction form
    14,165,668.80/21,248,503.20 = 11,331,316.80/x
  3. Step 3: Cross multiply
    14,165,668.80x = 21,248,503.20 × 11,331,316.80
  4. Step 4: Simplify right side
    14,165,668.80x = 240,773,521,285,013.78
  5. Step 5: Solve for x
    x = 240,773,521,285,013.78/14,165,668.80
  6. Step 6: Final answer
    x = 16,996,975.20

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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.