Home / 15,042,668.29-20,712,401.47-11,748,269.91

Finding the Fourth Proportional to 15,042,668.29, 20,712,401.47 and 11,748,269.91

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Solution

The fourth proportional to 15,042,668.29, 20,712,401.47 and 11,748,269.91 is: 16,176,311.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,042,668.29 : 20,712,401.47 = 11,748,269.91 : x
  2. Step 2: Convert to fraction form
    15,042,668.29/20,712,401.47 = 11,748,269.91/x
  3. Step 3: Cross multiply
    15,042,668.29x = 20,712,401.47 × 11,748,269.91
  4. Step 4: Simplify right side
    15,042,668.29x = 243,334,882,953,840.75
  5. Step 5: Solve for x
    x = 243,334,882,953,840.75/15,042,668.29
  6. Step 6: Final answer
    x = 16,176,311.16

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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.