Home / 28,083,643.20-42,125,464.80-22,981,809.60

Finding the Fourth Proportional to 28,083,643.20, 42,125,464.80 and 22,981,809.60

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Solution

The fourth proportional to 28,083,643.20, 42,125,464.80 and 22,981,809.60 is: 34,472,714.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,083,643.20 : 42,125,464.80 = 22,981,809.60 : x
  2. Step 2: Convert to fraction form
    28,083,643.20/42,125,464.80 = 22,981,809.60/x
  3. Step 3: Cross multiply
    28,083,643.20x = 42,125,464.80 × 22,981,809.60
  4. Step 4: Simplify right side
    28,083,643.20x = 968,119,411,345,102.12
  5. Step 5: Solve for x
    x = 968,119,411,345,102.12/28,083,643.20
  6. Step 6: Final answer
    x = 34,472,714.40

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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.