Home / 13,007,150.20-19,489,730.10-10,865,639.80

Finding the Fourth Proportional to 13,007,150.20, 19,489,730.10 and 10,865,639.80

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Solution

The fourth proportional to 13,007,150.20, 19,489,730.10 and 10,865,639.80 is: 16,280,921.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,007,150.20 : 19,489,730.10 = 10,865,639.80 : x
  2. Step 2: Convert to fraction form
    13,007,150.20/19,489,730.10 = 10,865,639.80/x
  3. Step 3: Cross multiply
    13,007,150.20x = 19,489,730.10 × 10,865,639.80
  4. Step 4: Simplify right side
    13,007,150.20x = 211,768,387,065,818
  5. Step 5: Solve for x
    x = 211,768,387,065,818/13,007,150.20
  6. Step 6: Final answer
    x = 16,280,921.17

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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.