Home / 18,442,209.40-27,663,314.10-9,939,153.40

Finding the Fourth Proportional to 18,442,209.40, 27,663,314.10 and 9,939,153.40

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Solution

The fourth proportional to 18,442,209.40, 27,663,314.10 and 9,939,153.40 is: 14,908,730.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,442,209.40 : 27,663,314.10 = 9,939,153.40 : x
  2. Step 2: Convert to fraction form
    18,442,209.40/27,663,314.10 = 9,939,153.40/x
  3. Step 3: Cross multiply
    18,442,209.40x = 27,663,314.10 × 9,939,153.40
  4. Step 4: Simplify right side
    18,442,209.40x = 274,949,922,392,282.97
  5. Step 5: Solve for x
    x = 274,949,922,392,282.97/18,442,209.40
  6. Step 6: Final answer
    x = 14,908,730.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.