Home / 12,096,963.60-18,145,445.40-7,617,987.60

Finding the Fourth Proportional to 12,096,963.60, 18,145,445.40 and 7,617,987.60

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Solution

The fourth proportional to 12,096,963.60, 18,145,445.40 and 7,617,987.60 is: 11,426,981.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,963.60 : 18,145,445.40 = 7,617,987.60 : x
  2. Step 2: Convert to fraction form
    12,096,963.60/18,145,445.40 = 7,617,987.60/x
  3. Step 3: Cross multiply
    12,096,963.60x = 18,145,445.40 × 7,617,987.60
  4. Step 4: Simplify right side
    12,096,963.60x = 138,231,778,053,677.02
  5. Step 5: Solve for x
    x = 138,231,778,053,677.02/12,096,963.60
  6. Step 6: Final answer
    x = 11,426,981.40

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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.