Home / 18,636,041.68-25,717,684.84-10,487,279.60

Finding the Fourth Proportional to 18,636,041.68, 25,717,684.84 and 10,487,279.60

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Solution

The fourth proportional to 18,636,041.68, 25,717,684.84 and 10,487,279.60 is: 14,472,416.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,636,041.68 : 25,717,684.84 = 10,487,279.60 : x
  2. Step 2: Convert to fraction form
    18,636,041.68/25,717,684.84 = 10,487,279.60/x
  3. Step 3: Cross multiply
    18,636,041.68x = 25,717,684.84 × 10,487,279.60
  4. Step 4: Simplify right side
    18,636,041.68x = 269,708,551,581,761.25
  5. Step 5: Solve for x
    x = 269,708,551,581,761.25/18,636,041.68
  6. Step 6: Final answer
    x = 14,472,416.20

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.