Home / 12,556,372.79-18,834,748.33-4,359,275.19

Finding the Fourth Proportional to 12,556,372.79, 18,834,748.33 and 4,359,275.19

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Solution

The fourth proportional to 12,556,372.79, 18,834,748.33 and 4,359,275.19 is: 6,538,978.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,556,372.79 : 18,834,748.33 = 4,359,275.19 : x
  2. Step 2: Convert to fraction form
    12,556,372.79/18,834,748.33 = 4,359,275.19/x
  3. Step 3: Cross multiply
    12,556,372.79x = 18,834,748.33 × 4,359,275.19
  4. Step 4: Simplify right side
    12,556,372.79x = 82,105,851,093,964.75
  5. Step 5: Solve for x
    x = 82,105,851,093,964.75/12,556,372.79
  6. Step 6: Final answer
    x = 6,538,978.45

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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.