Home / 8,254,621.90-11,392,429.02-4,991,459.77

Finding the Fourth Proportional to 8,254,621.90, 11,392,429.02 and 4,991,459.77

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Solution

The fourth proportional to 8,254,621.90, 11,392,429.02 and 4,991,459.77 is: 6,888,849.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,254,621.90 : 11,392,429.02 = 4,991,459.77 : x
  2. Step 2: Convert to fraction form
    8,254,621.90/11,392,429.02 = 4,991,459.77/x
  3. Step 3: Cross multiply
    8,254,621.90x = 11,392,429.02 × 4,991,459.77
  4. Step 4: Simplify right side
    8,254,621.90x = 56,864,851,078,948.38
  5. Step 5: Solve for x
    x = 56,864,851,078,948.38/8,254,621.90
  6. Step 6: Final answer
    x = 6,888,849.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.