Home / 11,657,877.60-17,486,816.40-11,153,992.80

Finding the Fourth Proportional to 11,657,877.60, 17,486,816.40 and 11,153,992.80

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Solution

The fourth proportional to 11,657,877.60, 17,486,816.40 and 11,153,992.80 is: 16,730,989.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,657,877.60 : 17,486,816.40 = 11,153,992.80 : x
  2. Step 2: Convert to fraction form
    11,657,877.60/17,486,816.40 = 11,153,992.80/x
  3. Step 3: Cross multiply
    11,657,877.60x = 17,486,816.40 × 11,153,992.80
  4. Step 4: Simplify right side
    11,657,877.60x = 195,047,824,220,521.91
  5. Step 5: Solve for x
    x = 195,047,824,220,521.91/11,657,877.60
  6. Step 6: Final answer
    x = 16,730,989.20

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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.