Home / 8,655,775.20-12,958,779.60-5,296,543.20

Finding the Fourth Proportional to 8,655,775.20, 12,958,779.60 and 5,296,543.20

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Solution

The fourth proportional to 8,655,775.20, 12,958,779.60 and 5,296,543.20 is: 7,929,588.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,655,775.20 : 12,958,779.60 = 5,296,543.20 : x
  2. Step 2: Convert to fraction form
    8,655,775.20/12,958,779.60 = 5,296,543.20/x
  3. Step 3: Cross multiply
    8,655,775.20x = 12,958,779.60 × 5,296,543.20
  4. Step 4: Simplify right side
    8,655,775.20x = 68,636,735,970,678.72
  5. Step 5: Solve for x
    x = 68,636,735,970,678.72/8,655,775.20
  6. Step 6: Final answer
    x = 7,929,588.56

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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.