Home / 8,188,437.02-12,257,461.26-5,342,421.02

Finding the Fourth Proportional to 8,188,437.02, 12,257,461.26 and 5,342,421.02

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Solution

The fourth proportional to 8,188,437.02, 12,257,461.26 and 5,342,421.02 is: 7,997,193.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,188,437.02 : 12,257,461.26 = 5,342,421.02 : x
  2. Step 2: Convert to fraction form
    8,188,437.02/12,257,461.26 = 5,342,421.02/x
  3. Step 3: Cross multiply
    8,188,437.02x = 12,257,461.26 × 5,342,421.02
  4. Step 4: Simplify right side
    8,188,437.02x = 65,484,518,625,972.38
  5. Step 5: Solve for x
    x = 65,484,518,625,972.38/8,188,437.02
  6. Step 6: Final answer
    x = 7,997,193.91

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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.