Home / 10,302,818.48-14,217,178.29-5,718,779

Finding the Fourth Proportional to 10,302,818.48, 14,217,178.29 and 5,718,779

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Solution

The fourth proportional to 10,302,818.48, 14,217,178.29 and 5,718,779 is: 7,891,520.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,302,818.48 : 14,217,178.29 = 5,718,779 : x
  2. Step 2: Convert to fraction form
    10,302,818.48/14,217,178.29 = 5,718,779/x
  3. Step 3: Cross multiply
    10,302,818.48x = 14,217,178.29 × 5,718,779
  4. Step 4: Simplify right side
    10,302,818.48x = 81,304,900,644,107.91
  5. Step 5: Solve for x
    x = 81,304,900,644,107.91/10,302,818.48
  6. Step 6: Final answer
    x = 7,891,520.25

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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.