Home / 10,302,818.73-14,217,178.63-5,718,779.25

Finding the Fourth Proportional to 10,302,818.73, 14,217,178.63 and 5,718,779.25

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Solution

The fourth proportional to 10,302,818.73, 14,217,178.63 and 5,718,779.25 is: 7,891,520.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,302,818.73 : 14,217,178.63 = 5,718,779.25 : x
  2. Step 2: Convert to fraction form
    10,302,818.73/14,217,178.63 = 5,718,779.25/x
  3. Step 3: Cross multiply
    10,302,818.73x = 14,217,178.63 × 5,718,779.25
  4. Step 4: Simplify right side
    10,302,818.73x = 81,304,906,142,787.44
  5. Step 5: Solve for x
    x = 81,304,906,142,787.44/10,302,818.73
  6. Step 6: Final answer
    x = 7,891,520.59

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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.