Home / 8,911,638.40-13,343,508.96-5,655,547.42

Finding the Fourth Proportional to 8,911,638.40, 13,343,508.96 and 5,655,547.42

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Solution

The fourth proportional to 8,911,638.40, 13,343,508.96 and 5,655,547.42 is: 8,468,122.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,911,638.40 : 13,343,508.96 = 5,655,547.42 : x
  2. Step 2: Convert to fraction form
    8,911,638.40/13,343,508.96 = 5,655,547.42/x
  3. Step 3: Cross multiply
    8,911,638.40x = 13,343,508.96 × 5,655,547.42
  4. Step 4: Simplify right side
    8,911,638.40x = 75,464,847,672,474.89
  5. Step 5: Solve for x
    x = 75,464,847,672,474.89/8,911,638.40
  6. Step 6: Final answer
    x = 8,468,122.73

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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.