Home / 9,942,702.60-14,882,561.10-7,801,192.20

Finding the Fourth Proportional to 9,942,702.60, 14,882,561.10 and 7,801,192.20

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Solution

The fourth proportional to 9,942,702.60, 14,882,561.10 and 7,801,192.20 is: 11,677,078.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,942,702.60 : 14,882,561.10 = 7,801,192.20 : x
  2. Step 2: Convert to fraction form
    9,942,702.60/14,882,561.10 = 7,801,192.20/x
  3. Step 3: Cross multiply
    9,942,702.60x = 14,882,561.10 × 7,801,192.20
  4. Step 4: Simplify right side
    9,942,702.60x = 116,101,719,569,343.42
  5. Step 5: Solve for x
    x = 116,101,719,569,343.42/9,942,702.60
  6. Step 6: Final answer
    x = 11,677,078.58

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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.