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Finding the Fourth Proportional to 8,371,912, 12,559,740 and 3,053,128

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Solution

The fourth proportional to 8,371,912, 12,559,740 and 3,053,128 is: 4,580,374.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,371,912 : 12,559,740 = 3,053,128 : x
  2. Step 2: Convert to fraction form
    8,371,912/12,559,740 = 3,053,128/x
  3. Step 3: Cross multiply
    8,371,912x = 12,559,740 × 3,053,128
  4. Step 4: Simplify right side
    8,371,912x = 38,346,493,866,720
  5. Step 5: Solve for x
    x = 38,346,493,866,720/8,371,912
  6. Step 6: Final answer
    x = 4,580,374.69

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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.