Home / 18,506,468.74-25,539,725.10-10,246,531.21

Finding the Fourth Proportional to 18,506,468.74, 25,539,725.10 and 10,246,531.21

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Solution

The fourth proportional to 18,506,468.74, 25,539,725.10 and 10,246,531.21 is: 14,140,655.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,506,468.74 : 25,539,725.10 = 10,246,531.21 : x
  2. Step 2: Convert to fraction form
    18,506,468.74/25,539,725.10 = 10,246,531.21/x
  3. Step 3: Cross multiply
    18,506,468.74x = 25,539,725.10 × 10,246,531.21
  4. Step 4: Simplify right side
    18,506,468.74x = 261,693,590,331,970.41
  5. Step 5: Solve for x
    x = 261,693,590,331,970.41/18,506,468.74
  6. Step 6: Final answer
    x = 14,140,655.03

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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.