Home / 15,057,372.34-20,779,298.39-8,181,854.41

Finding the Fourth Proportional to 15,057,372.34, 20,779,298.39 and 8,181,854.41

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Solution

The fourth proportional to 15,057,372.34, 20,779,298.39 and 8,181,854.41 is: 11,291,026.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,057,372.34 : 20,779,298.39 = 8,181,854.41 : x
  2. Step 2: Convert to fraction form
    15,057,372.34/20,779,298.39 = 8,181,854.41/x
  3. Step 3: Cross multiply
    15,057,372.34x = 20,779,298.39 × 8,181,854.41
  4. Step 4: Simplify right side
    15,057,372.34x = 170,013,194,094,945.81
  5. Step 5: Solve for x
    x = 170,013,194,094,945.81/15,057,372.34
  6. Step 6: Final answer
    x = 11,291,026.76

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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.