Home / 8,897,887.71-12,278,608.05-5,030,178.21

Finding the Fourth Proportional to 8,897,887.71, 12,278,608.05 and 5,030,178.21

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Solution

The fourth proportional to 8,897,887.71, 12,278,608.05 and 5,030,178.21 is: 6,941,376.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,897,887.71 : 12,278,608.05 = 5,030,178.21 : x
  2. Step 2: Convert to fraction form
    8,897,887.71/12,278,608.05 = 5,030,178.21/x
  3. Step 3: Cross multiply
    8,897,887.71x = 12,278,608.05 × 5,030,178.21
  4. Step 4: Simplify right side
    8,897,887.71x = 61,763,586,662,240.59
  5. Step 5: Solve for x
    x = 61,763,586,662,240.59/8,897,887.71
  6. Step 6: Final answer
    x = 6,941,376.28

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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.