Home / 9,328,960.16-12,873,398.10-5,142,461.12

Finding the Fourth Proportional to 9,328,960.16, 12,873,398.10 and 5,142,461.12

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Solution

The fourth proportional to 9,328,960.16, 12,873,398.10 and 5,142,461.12 is: 7,096,283.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,328,960.16 : 12,873,398.10 = 5,142,461.12 : x
  2. Step 2: Convert to fraction form
    9,328,960.16/12,873,398.10 = 5,142,461.12/x
  3. Step 3: Cross multiply
    9,328,960.16x = 12,873,398.10 × 5,142,461.12
  4. Step 4: Simplify right side
    9,328,960.16x = 66,200,949,211,531.88
  5. Step 5: Solve for x
    x = 66,200,949,211,531.88/9,328,960.16
  6. Step 6: Final answer
    x = 7,096,283.84

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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.