Home / 19,506,819.28-26,932,429.40-12,167,597.20

Finding the Fourth Proportional to 19,506,819.28, 26,932,429.40 and 12,167,597.20

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Solution

The fourth proportional to 19,506,819.28, 26,932,429.40 and 12,167,597.20 is: 16,799,404.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,506,819.28 : 26,932,429.40 = 12,167,597.20 : x
  2. Step 2: Convert to fraction form
    19,506,819.28/26,932,429.40 = 12,167,597.20/x
  3. Step 3: Cross multiply
    19,506,819.28x = 26,932,429.40 × 12,167,597.20
  4. Step 4: Simplify right side
    19,506,819.28x = 327,702,952,556,637.62
  5. Step 5: Solve for x
    x = 327,702,952,556,637.62/19,506,819.28
  6. Step 6: Final answer
    x = 16,799,404.75

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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.