Home / 21,851,110.22-30,154,527.55-12,061,551.81

Finding the Fourth Proportional to 21,851,110.22, 30,154,527.55 and 12,061,551.81

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Solution

The fourth proportional to 21,851,110.22, 30,154,527.55 and 12,061,551.81 is: 16,644,938.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,851,110.22 : 30,154,527.55 = 12,061,551.81 : x
  2. Step 2: Convert to fraction form
    21,851,110.22/30,154,527.55 = 12,061,551.81/x
  3. Step 3: Cross multiply
    21,851,110.22x = 30,154,527.55 × 12,061,551.81
  4. Step 4: Simplify right side
    21,851,110.22x = 363,710,396,350,397.38
  5. Step 5: Solve for x
    x = 363,710,396,350,397.38/21,851,110.22
  6. Step 6: Final answer
    x = 16,644,938.98

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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.