Home / 13,693,106.42-18,897,077.22-7,581,534.92

Finding the Fourth Proportional to 13,693,106.42, 18,897,077.22 and 7,581,534.92

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Solution

The fourth proportional to 13,693,106.42, 18,897,077.22 and 7,581,534.92 is: 10,462,845.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,693,106.42 : 18,897,077.22 = 7,581,534.92 : x
  2. Step 2: Convert to fraction form
    13,693,106.42/18,897,077.22 = 7,581,534.92/x
  3. Step 3: Cross multiply
    13,693,106.42x = 18,897,077.22 × 7,581,534.92
  4. Step 4: Simplify right side
    13,693,106.42x = 143,268,850,829,366.50
  5. Step 5: Solve for x
    x = 143,268,850,829,366.50/13,693,106.42
  6. Step 6: Final answer
    x = 10,462,845.06

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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.