Home / 9,342,342.30-14,013,513.45-7,830,687.90

Finding the Fourth Proportional to 9,342,342.30, 14,013,513.45 and 7,830,687.90

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Solution

The fourth proportional to 9,342,342.30, 14,013,513.45 and 7,830,687.90 is: 11,746,031.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,342,342.30 : 14,013,513.45 = 7,830,687.90 : x
  2. Step 2: Convert to fraction form
    9,342,342.30/14,013,513.45 = 7,830,687.90/x
  3. Step 3: Cross multiply
    9,342,342.30x = 14,013,513.45 × 7,830,687.90
  4. Step 4: Simplify right side
    9,342,342.30x = 109,735,450,209,402.25
  5. Step 5: Solve for x
    x = 109,735,450,209,402.25/9,342,342.30
  6. Step 6: Final answer
    x = 11,746,031.85

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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.