Home / 20,618,437.48-28,452,522.66-12,363,056.36

Finding the Fourth Proportional to 20,618,437.48, 28,452,522.66 and 12,363,056.36

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Solution

The fourth proportional to 20,618,437.48, 28,452,522.66 and 12,363,056.36 is: 17,060,465.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,618,437.48 : 28,452,522.66 = 12,363,056.36 : x
  2. Step 2: Convert to fraction form
    20,618,437.48/28,452,522.66 = 12,363,056.36/x
  3. Step 3: Cross multiply
    20,618,437.48x = 28,452,522.66 × 12,363,056.36
  4. Step 4: Simplify right side
    20,618,437.48x = 351,760,141,229,757.12
  5. Step 5: Solve for x
    x = 351,760,141,229,757.12/20,618,437.48
  6. Step 6: Final answer
    x = 17,060,465.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.