Home / 8,365,166.40-12,531,160.80-4,989,345.60

Finding the Fourth Proportional to 8,365,166.40, 12,531,160.80 and 4,989,345.60

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Solution

The fourth proportional to 8,365,166.40, 12,531,160.80 and 4,989,345.60 is: 7,474,124.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,365,166.40 : 12,531,160.80 = 4,989,345.60 : x
  2. Step 2: Convert to fraction form
    8,365,166.40/12,531,160.80 = 4,989,345.60/x
  3. Step 3: Cross multiply
    8,365,166.40x = 12,531,160.80 × 4,989,345.60
  4. Step 4: Simplify right side
    8,365,166.40x = 62,522,292,000,372.48
  5. Step 5: Solve for x
    x = 62,522,292,000,372.48/8,365,166.40
  6. Step 6: Final answer
    x = 7,474,124.13

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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.