Home / 12,897,350.80-19,331,359.50-6,739,838.53

Finding the Fourth Proportional to 12,897,350.80, 19,331,359.50 and 6,739,838.53

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Solution

The fourth proportional to 12,897,350.80, 19,331,359.50 and 6,739,838.53 is: 10,102,093.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,897,350.80 : 19,331,359.50 = 6,739,838.53 : x
  2. Step 2: Convert to fraction form
    12,897,350.80/19,331,359.50 = 6,739,838.53/x
  3. Step 3: Cross multiply
    12,897,350.80x = 19,331,359.50 × 6,739,838.53
  4. Step 4: Simplify right side
    12,897,350.80x = 130,290,241,595,381.55
  5. Step 5: Solve for x
    x = 130,290,241,595,381.55/12,897,350.80
  6. Step 6: Final answer
    x = 10,102,093.34

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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.