Home / 12,528,097.20-18,792,145.80-8,276,569.20

Finding the Fourth Proportional to 12,528,097.20, 18,792,145.80 and 8,276,569.20

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Solution

The fourth proportional to 12,528,097.20, 18,792,145.80 and 8,276,569.20 is: 12,414,853.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,528,097.20 : 18,792,145.80 = 8,276,569.20 : x
  2. Step 2: Convert to fraction form
    12,528,097.20/18,792,145.80 = 8,276,569.20/x
  3. Step 3: Cross multiply
    12,528,097.20x = 18,792,145.80 × 8,276,569.20
  4. Step 4: Simplify right side
    12,528,097.20x = 155,534,495,130,189.38
  5. Step 5: Solve for x
    x = 155,534,495,130,189.38/12,528,097.20
  6. Step 6: Final answer
    x = 12,414,853.80

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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.