Home / 12,991,045.60-19,486,568.40-4,016,504.80

Finding the Fourth Proportional to 12,991,045.60, 19,486,568.40 and 4,016,504.80

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Solution

The fourth proportional to 12,991,045.60, 19,486,568.40 and 4,016,504.80 is: 6,024,757.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,991,045.60 : 19,486,568.40 = 4,016,504.80 : x
  2. Step 2: Convert to fraction form
    12,991,045.60/19,486,568.40 = 4,016,504.80/x
  3. Step 3: Cross multiply
    12,991,045.60x = 19,486,568.40 × 4,016,504.80
  4. Step 4: Simplify right side
    12,991,045.60x = 78,267,895,514,128.31
  5. Step 5: Solve for x
    x = 78,267,895,514,128.31/12,991,045.60
  6. Step 6: Final answer
    x = 6,024,757.20

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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.