Home / 40,403,790.80-60,605,686.20-10,111,605.20

Finding the Fourth Proportional to 40,403,790.80, 60,605,686.20 and 10,111,605.20

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Solution

The fourth proportional to 40,403,790.80, 60,605,686.20 and 10,111,605.20 is: 15,167,407.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,403,790.80 : 60,605,686.20 = 10,111,605.20 : x
  2. Step 2: Convert to fraction form
    40,403,790.80/60,605,686.20 = 10,111,605.20/x
  3. Step 3: Cross multiply
    40,403,790.80x = 60,605,686.20 × 10,111,605.20
  4. Step 4: Simplify right side
    40,403,790.80x = 612,820,771,729,488.25
  5. Step 5: Solve for x
    x = 612,820,771,729,488.25/40,403,790.80
  6. Step 6: Final answer
    x = 15,167,407.80

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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.