Home / 8,928,378.90-12,316,620.60-5,832,714.28

Finding the Fourth Proportional to 8,928,378.90, 12,316,620.60 and 5,832,714.28

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Solution

The fourth proportional to 8,928,378.90, 12,316,620.60 and 5,832,714.28 is: 8,046,178.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,928,378.90 : 12,316,620.60 = 5,832,714.28 : x
  2. Step 2: Convert to fraction form
    8,928,378.90/12,316,620.60 = 5,832,714.28/x
  3. Step 3: Cross multiply
    8,928,378.90x = 12,316,620.60 × 5,832,714.28
  4. Step 4: Simplify right side
    8,928,378.90x = 71,839,328,854,962.17
  5. Step 5: Solve for x
    x = 71,839,328,854,962.17/8,928,378.90
  6. Step 6: Final answer
    x = 8,046,178.33

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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.