Home / 21,988,402.81-30,343,984.14-12,065,350.66

Finding the Fourth Proportional to 21,988,402.81, 30,343,984.14 and 12,065,350.66

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Solution

The fourth proportional to 21,988,402.81, 30,343,984.14 and 12,065,350.66 is: 16,650,177.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,988,402.81 : 30,343,984.14 = 12,065,350.66 : x
  2. Step 2: Convert to fraction form
    21,988,402.81/30,343,984.14 = 12,065,350.66/x
  3. Step 3: Cross multiply
    21,988,402.81x = 30,343,984.14 × 12,065,350.66
  4. Step 4: Simplify right side
    21,988,402.81x = 366,110,809,070,578.56
  5. Step 5: Solve for x
    x = 366,110,809,070,578.56/21,988,402.81
  6. Step 6: Final answer
    x = 16,650,177.47

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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.