Home / 28,431,032.80-42,646,549.20-14,056,319.20

Finding the Fourth Proportional to 28,431,032.80, 42,646,549.20 and 14,056,319.20

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Solution

The fourth proportional to 28,431,032.80, 42,646,549.20 and 14,056,319.20 is: 21,084,478.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,431,032.80 : 42,646,549.20 = 14,056,319.20 : x
  2. Step 2: Convert to fraction form
    28,431,032.80/42,646,549.20 = 14,056,319.20/x
  3. Step 3: Cross multiply
    28,431,032.80x = 42,646,549.20 × 14,056,319.20
  4. Step 4: Simplify right side
    28,431,032.80x = 599,453,508,333,704.62
  5. Step 5: Solve for x
    x = 599,453,508,333,704.62/28,431,032.80
  6. Step 6: Final answer
    x = 21,084,478.80

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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.