Home / 8,371,415.40-12,557,123.10-2,692,213.80

Finding the Fourth Proportional to 8,371,415.40, 12,557,123.10 and 2,692,213.80

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Solution

The fourth proportional to 8,371,415.40, 12,557,123.10 and 2,692,213.80 is: 4,038,320.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,371,415.40 : 12,557,123.10 = 2,692,213.80 : x
  2. Step 2: Convert to fraction form
    8,371,415.40/12,557,123.10 = 2,692,213.80/x
  3. Step 3: Cross multiply
    8,371,415.40x = 12,557,123.10 × 2,692,213.80
  4. Step 4: Simplify right side
    8,371,415.40x = 33,806,460,098,118.78
  5. Step 5: Solve for x
    x = 33,806,460,098,118.78/8,371,415.40
  6. Step 6: Final answer
    x = 4,038,320.70

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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.