Home / 12,581,271.90-18,875,869.11-4,494,068.55

Finding the Fourth Proportional to 12,581,271.90, 18,875,869.11 and 4,494,068.55

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Solution

The fourth proportional to 12,581,271.90, 18,875,869.11 and 4,494,068.55 is: 6,742,517.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,581,271.90 : 18,875,869.11 = 4,494,068.55 : x
  2. Step 2: Convert to fraction form
    12,581,271.90/18,875,869.11 = 4,494,068.55/x
  3. Step 3: Cross multiply
    12,581,271.90x = 18,875,869.11 × 4,494,068.55
  4. Step 4: Simplify right side
    12,581,271.90x = 84,829,449,721,167.48
  5. Step 5: Solve for x
    x = 84,829,449,721,167.48/12,581,271.90
  6. Step 6: Final answer
    x = 6,742,517.80

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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.