Home / 13,387,549.80-20,067,327.90-7,312,938.60

Finding the Fourth Proportional to 13,387,549.80, 20,067,327.90 and 7,312,938.60

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Solution

The fourth proportional to 13,387,549.80, 20,067,327.90 and 7,312,938.60 is: 10,961,762.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,387,549.80 : 20,067,327.90 = 7,312,938.60 : x
  2. Step 2: Convert to fraction form
    13,387,549.80/20,067,327.90 = 7,312,938.60/x
  3. Step 3: Cross multiply
    13,387,549.80x = 20,067,327.90 × 7,312,938.60
  4. Step 4: Simplify right side
    13,387,549.80x = 146,751,136,798,766.91
  5. Step 5: Solve for x
    x = 146,751,136,798,766.91/13,387,549.80
  6. Step 6: Final answer
    x = 10,961,762.16

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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.