Home / 8,323,421.50-12,397,364.10-7,949,968.18

Finding the Fourth Proportional to 8,323,421.50, 12,397,364.10 and 7,949,968.18

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Solution

The fourth proportional to 8,323,421.50, 12,397,364.10 and 7,949,968.18 is: 11,841,122.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,323,421.50 : 12,397,364.10 = 7,949,968.18 : x
  2. Step 2: Convert to fraction form
    8,323,421.50/12,397,364.10 = 7,949,968.18/x
  3. Step 3: Cross multiply
    8,323,421.50x = 12,397,364.10 × 7,949,968.18
  4. Step 4: Simplify right side
    8,323,421.50x = 98,558,650,110,874.33
  5. Step 5: Solve for x
    x = 98,558,650,110,874.33/8,323,421.50
  6. Step 6: Final answer
    x = 11,841,122.08

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.