Home / 9,905,332.91-14,859,017.46-3,428,397.68

Finding the Fourth Proportional to 9,905,332.91, 14,859,017.46 and 3,428,397.68

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Solution

The fourth proportional to 9,905,332.91, 14,859,017.46 and 3,428,397.68 is: 5,142,948.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,905,332.91 : 14,859,017.46 = 3,428,397.68 : x
  2. Step 2: Convert to fraction form
    9,905,332.91/14,859,017.46 = 3,428,397.68/x
  3. Step 3: Cross multiply
    9,905,332.91x = 14,859,017.46 × 3,428,397.68
  4. Step 4: Simplify right side
    9,905,332.91x = 50,942,620,912,648.41
  5. Step 5: Solve for x
    x = 50,942,620,912,648.41/9,905,332.91
  6. Step 6: Final answer
    x = 5,142,948.89

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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.