Home / 7,920,519.56-10,928,443.65-4,482,760.58

Finding the Fourth Proportional to 7,920,519.56, 10,928,443.65 and 4,482,760.58

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Solution

The fourth proportional to 7,920,519.56, 10,928,443.65 and 4,482,760.58 is: 6,185,149.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,920,519.56 : 10,928,443.65 = 4,482,760.58 : x
  2. Step 2: Convert to fraction form
    7,920,519.56/10,928,443.65 = 4,482,760.58/x
  3. Step 3: Cross multiply
    7,920,519.56x = 10,928,443.65 × 4,482,760.58
  4. Step 4: Simplify right side
    7,920,519.56x = 48,989,596,394,971.32
  5. Step 5: Solve for x
    x = 48,989,596,394,971.32/7,920,519.56
  6. Step 6: Final answer
    x = 6,185,149.35

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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.