Home / 9,737,988.19-13,438,819.40-5,386,999.48

Finding the Fourth Proportional to 9,737,988.19, 13,438,819.40 and 5,386,999.48

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Solution

The fourth proportional to 9,737,988.19, 13,438,819.40 and 5,386,999.48 is: 7,434,278.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,737,988.19 : 13,438,819.40 = 5,386,999.48 : x
  2. Step 2: Convert to fraction form
    9,737,988.19/13,438,819.40 = 5,386,999.48/x
  3. Step 3: Cross multiply
    9,737,988.19x = 13,438,819.40 × 5,386,999.48
  4. Step 4: Simplify right side
    9,737,988.19x = 72,394,913,059,081.86
  5. Step 5: Solve for x
    x = 72,394,913,059,081.86/9,737,988.19
  6. Step 6: Final answer
    x = 7,434,278.18

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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.