Home / 12,642,689.64-17,446,957.65-6,841,470.72

Finding the Fourth Proportional to 12,642,689.64, 17,446,957.65 and 6,841,470.72

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Solution

The fourth proportional to 12,642,689.64, 17,446,957.65 and 6,841,470.72 is: 9,441,254.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,642,689.64 : 17,446,957.65 = 6,841,470.72 : x
  2. Step 2: Convert to fraction form
    12,642,689.64/17,446,957.65 = 6,841,470.72/x
  3. Step 3: Cross multiply
    12,642,689.64x = 17,446,957.65 × 6,841,470.72
  4. Step 4: Simplify right side
    12,642,689.64x = 119,362,849,915,555
  5. Step 5: Solve for x
    x = 119,362,849,915,555/12,642,689.64
  6. Step 6: Final answer
    x = 9,441,254.46

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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.