Home / 15,402,676.50-21,254,885.29-8,432,017.68

Finding the Fourth Proportional to 15,402,676.50, 21,254,885.29 and 8,432,017.68

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Solution

The fourth proportional to 15,402,676.50, 21,254,885.29 and 8,432,017.68 is: 11,635,741.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,402,676.50 : 21,254,885.29 = 8,432,017.68 : x
  2. Step 2: Convert to fraction form
    15,402,676.50/21,254,885.29 = 8,432,017.68/x
  3. Step 3: Cross multiply
    15,402,676.50x = 21,254,885.29 × 8,432,017.68
  4. Step 4: Simplify right side
    15,402,676.50x = 179,221,568,641,897.78
  5. Step 5: Solve for x
    x = 179,221,568,641,897.78/15,402,676.50
  6. Step 6: Final answer
    x = 11,635,741.92

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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.