Home / 7,977,520.26-11,970,017.43-3,931,802.64

Finding the Fourth Proportional to 7,977,520.26, 11,970,017.43 and 3,931,802.64

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Solution

The fourth proportional to 7,977,520.26, 11,970,017.43 and 3,931,802.64 is: 5,899,545.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,977,520.26 : 11,970,017.43 = 3,931,802.64 : x
  2. Step 2: Convert to fraction form
    7,977,520.26/11,970,017.43 = 3,931,802.64/x
  3. Step 3: Cross multiply
    7,977,520.26x = 11,970,017.43 × 3,931,802.64
  4. Step 4: Simplify right side
    7,977,520.26x = 47,063,746,132,120.02
  5. Step 5: Solve for x
    x = 47,063,746,132,120.02/7,977,520.26
  6. Step 6: Final answer
    x = 5,899,545.80

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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.