Home / 28,431,025.80-42,646,538.70-14,056,312.20

Finding the Fourth Proportional to 28,431,025.80, 42,646,538.70 and 14,056,312.20

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Solution

The fourth proportional to 28,431,025.80, 42,646,538.70 and 14,056,312.20 is: 21,084,468.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,431,025.80 : 42,646,538.70 = 14,056,312.20 : x
  2. Step 2: Convert to fraction form
    28,431,025.80/42,646,538.70 = 14,056,312.20/x
  3. Step 3: Cross multiply
    28,431,025.80x = 42,646,538.70 × 14,056,312.20
  4. Step 4: Simplify right side
    28,431,025.80x = 599,453,062,216,582.12
  5. Step 5: Solve for x
    x = 599,453,062,216,582.12/28,431,025.80
  6. Step 6: Final answer
    x = 21,084,468.30

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Similar ratio
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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.