Home / 22,040,396.80-30,416,309.76-12,117,158.08

Finding the Fourth Proportional to 22,040,396.80, 30,416,309.76 and 12,117,158.08

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Solution

The fourth proportional to 22,040,396.80, 30,416,309.76 and 12,117,158.08 is: 16,721,987.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,040,396.80 : 30,416,309.76 = 12,117,158.08 : x
  2. Step 2: Convert to fraction form
    22,040,396.80/30,416,309.76 = 12,117,158.08/x
  3. Step 3: Cross multiply
    22,040,396.80x = 30,416,309.76 × 12,117,158.08
  4. Step 4: Simplify right side
    22,040,396.80x = 368,559,233,572,166.88
  5. Step 5: Solve for x
    x = 368,559,233,572,166.88/22,040,396.80
  6. Step 6: Final answer
    x = 16,721,987.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.