Home / 12,151,547.60-18,227,321.40-11,962,590.80

Finding the Fourth Proportional to 12,151,547.60, 18,227,321.40 and 11,962,590.80

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Solution

The fourth proportional to 12,151,547.60, 18,227,321.40 and 11,962,590.80 is: 17,943,886.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,151,547.60 : 18,227,321.40 = 11,962,590.80 : x
  2. Step 2: Convert to fraction form
    12,151,547.60/18,227,321.40 = 11,962,590.80/x
  3. Step 3: Cross multiply
    12,151,547.60x = 18,227,321.40 × 11,962,590.80
  4. Step 4: Simplify right side
    12,151,547.60x = 218,045,987,288,283.12
  5. Step 5: Solve for x
    x = 218,045,987,288,283.12/12,151,547.60
  6. Step 6: Final answer
    x = 17,943,886.20

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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.