Home / 18,684,005.60-28,026,008.40-18,264,101.60

Finding the Fourth Proportional to 18,684,005.60, 28,026,008.40 and 18,264,101.60

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Solution

The fourth proportional to 18,684,005.60, 28,026,008.40 and 18,264,101.60 is: 27,396,152.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,684,005.60 : 28,026,008.40 = 18,264,101.60 : x
  2. Step 2: Convert to fraction form
    18,684,005.60/28,026,008.40 = 18,264,101.60/x
  3. Step 3: Cross multiply
    18,684,005.60x = 28,026,008.40 × 18,264,101.60
  4. Step 4: Simplify right side
    18,684,005.60x = 511,869,864,860,053.44
  5. Step 5: Solve for x
    x = 511,869,864,860,053.44/18,684,005.60
  6. Step 6: Final answer
    x = 27,396,152.40

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1.5x scale

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.