Home / 13,826,442.60-20,739,663.90-12,941,706.60

Finding the Fourth Proportional to 13,826,442.60, 20,739,663.90 and 12,941,706.60

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Solution

The fourth proportional to 13,826,442.60, 20,739,663.90 and 12,941,706.60 is: 19,412,559.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,826,442.60 : 20,739,663.90 = 12,941,706.60 : x
  2. Step 2: Convert to fraction form
    13,826,442.60/20,739,663.90 = 12,941,706.60/x
  3. Step 3: Cross multiply
    13,826,442.60x = 20,739,663.90 × 12,941,706.60
  4. Step 4: Simplify right side
    13,826,442.60x = 268,406,645,176,411.72
  5. Step 5: Solve for x
    x = 268,406,645,176,411.72/13,826,442.60
  6. Step 6: Final answer
    x = 19,412,559.90

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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.