Home / 8,310,254.40-12,462,271.20-2,916,820.80

Finding the Fourth Proportional to 8,310,254.40, 12,462,271.20 and 2,916,820.80

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Solution

The fourth proportional to 8,310,254.40, 12,462,271.20 and 2,916,820.80 is: 4,374,139.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,310,254.40 : 12,462,271.20 = 2,916,820.80 : x
  2. Step 2: Convert to fraction form
    8,310,254.40/12,462,271.20 = 2,916,820.80/x
  3. Step 3: Cross multiply
    8,310,254.40x = 12,462,271.20 × 2,916,820.80
  4. Step 4: Simplify right side
    8,310,254.40x = 36,350,211,851,400.95
  5. Step 5: Solve for x
    x = 36,350,211,851,400.95/8,310,254.40
  6. Step 6: Final answer
    x = 4,374,139.48

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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.