Home / 12,292,430.80-18,438,646.20-5,199,797.20

Finding the Fourth Proportional to 12,292,430.80, 18,438,646.20 and 5,199,797.20

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Solution

The fourth proportional to 12,292,430.80, 18,438,646.20 and 5,199,797.20 is: 7,799,695.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,292,430.80 : 18,438,646.20 = 5,199,797.20 : x
  2. Step 2: Convert to fraction form
    12,292,430.80/18,438,646.20 = 5,199,797.20/x
  3. Step 3: Cross multiply
    12,292,430.80x = 18,438,646.20 × 5,199,797.20
  4. Step 4: Simplify right side
    12,292,430.80x = 95,877,220,882,550.64
  5. Step 5: Solve for x
    x = 95,877,220,882,550.64/12,292,430.80
  6. Step 6: Final answer
    x = 7,799,695.80

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1.5x scale

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.