Home / 8,927,146.80-12,320,808.60-5,444,507.16

Finding the Fourth Proportional to 8,927,146.80, 12,320,808.60 and 5,444,507.16

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Solution

The fourth proportional to 8,927,146.80, 12,320,808.60 and 5,444,507.16 is: 7,514,240.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,927,146.80 : 12,320,808.60 = 5,444,507.16 : x
  2. Step 2: Convert to fraction form
    8,927,146.80/12,320,808.60 = 5,444,507.16/x
  3. Step 3: Cross multiply
    8,927,146.80x = 12,320,808.60 × 5,444,507.16
  4. Step 4: Simplify right side
    8,927,146.80x = 67,080,730,639,689.58
  5. Step 5: Solve for x
    x = 67,080,730,639,689.58/8,927,146.80
  6. Step 6: Final answer
    x = 7,514,240.79

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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.