Home / 9,966,881.10-14,940,990.45-7,806,708.30

Finding the Fourth Proportional to 9,966,881.10, 14,940,990.45 and 7,806,708.30

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Solution

The fourth proportional to 9,966,881.10, 14,940,990.45 and 7,806,708.30 is: 11,702,753.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,966,881.10 : 14,940,990.45 = 7,806,708.30 : x
  2. Step 2: Convert to fraction form
    9,966,881.10/14,940,990.45 = 7,806,708.30/x
  3. Step 3: Cross multiply
    9,966,881.10x = 14,940,990.45 × 7,806,708.30
  4. Step 4: Simplify right side
    9,966,881.10x = 116,639,954,156,235.72
  5. Step 5: Solve for x
    x = 116,639,954,156,235.72/9,966,881.10
  6. Step 6: Final answer
    x = 11,702,753.65

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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.