Home / 28,466,681.44-42,693,617.76-13,099,229.68

Finding the Fourth Proportional to 28,466,681.44, 42,693,617.76 and 13,099,229.68

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Solution

The fourth proportional to 28,466,681.44, 42,693,617.76 and 13,099,229.68 is: 19,645,897.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,466,681.44 : 42,693,617.76 = 13,099,229.68 : x
  2. Step 2: Convert to fraction form
    28,466,681.44/42,693,617.76 = 13,099,229.68/x
  3. Step 3: Cross multiply
    28,466,681.44x = 42,693,617.76 × 13,099,229.68
  4. Step 4: Simplify right side
    28,466,681.44x = 559,253,504,908,367.06
  5. Step 5: Solve for x
    x = 559,253,504,908,367.06/28,466,681.44
  6. Step 6: Final answer
    x = 19,645,897.47

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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.