Home / 13,989,436.80-20,993,486.40-6,412,502.40

Finding the Fourth Proportional to 13,989,436.80, 20,993,486.40 and 6,412,502.40

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Solution

The fourth proportional to 13,989,436.80, 20,993,486.40 and 6,412,502.40 is: 9,623,030.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,989,436.80 : 20,993,486.40 = 6,412,502.40 : x
  2. Step 2: Convert to fraction form
    13,989,436.80/20,993,486.40 = 6,412,502.40/x
  3. Step 3: Cross multiply
    13,989,436.80x = 20,993,486.40 × 6,412,502.40
  4. Step 4: Simplify right side
    13,989,436.80x = 134,620,781,924,367.36
  5. Step 5: Solve for x
    x = 134,620,781,924,367.36/13,989,436.80
  6. Step 6: Final answer
    x = 9,623,030.85

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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.