Home / 13,458,862.08-18,573,305.13-7,657,643.70

Finding the Fourth Proportional to 13,458,862.08, 18,573,305.13 and 7,657,643.70

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Solution

The fourth proportional to 13,458,862.08, 18,573,305.13 and 7,657,643.70 is: 10,567,591.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,458,862.08 : 18,573,305.13 = 7,657,643.70 : x
  2. Step 2: Convert to fraction form
    13,458,862.08/18,573,305.13 = 7,657,643.70/x
  3. Step 3: Cross multiply
    13,458,862.08x = 18,573,305.13 × 7,657,643.70
  4. Step 4: Simplify right side
    13,458,862.08x = 142,227,753,016,922.19
  5. Step 5: Solve for x
    x = 142,227,753,016,922.19/13,458,862.08
  6. Step 6: Final answer
    x = 10,567,591.24

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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.