Home / 28,355,079.20-42,532,618.80-26,862,087.20

Finding the Fourth Proportional to 28,355,079.20, 42,532,618.80 and 26,862,087.20

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Solution

The fourth proportional to 28,355,079.20, 42,532,618.80 and 26,862,087.20 is: 40,293,130.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,355,079.20 : 42,532,618.80 = 26,862,087.20 : x
  2. Step 2: Convert to fraction form
    28,355,079.20/42,532,618.80 = 26,862,087.20/x
  3. Step 3: Cross multiply
    28,355,079.20x = 42,532,618.80 × 26,862,087.20
  4. Step 4: Simplify right side
    28,355,079.20x = 1,142,514,915,049,959.25
  5. Step 5: Solve for x
    x = 1,142,514,915,049,959.25/28,355,079.20
  6. Step 6: Final answer
    x = 40,293,130.80

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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.