Home / 18,348,751.20-27,516,128.40-5,565,007.20

Finding the Fourth Proportional to 18,348,751.20, 27,516,128.40 and 5,565,007.20

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Solution

The fourth proportional to 18,348,751.20, 27,516,128.40 and 5,565,007.20 is: 8,345,388.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,348,751.20 : 27,516,128.40 = 5,565,007.20 : x
  2. Step 2: Convert to fraction form
    18,348,751.20/27,516,128.40 = 5,565,007.20/x
  3. Step 3: Cross multiply
    18,348,751.20x = 27,516,128.40 × 5,565,007.20
  4. Step 4: Simplify right side
    18,348,751.20x = 153,127,452,662,124.47
  5. Step 5: Solve for x
    x = 153,127,452,662,124.47/18,348,751.20
  6. Step 6: Final answer
    x = 8,345,388.25

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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.