Home / 8,238,064.80-12,357,097.20-4,870,538.40

Finding the Fourth Proportional to 8,238,064.80, 12,357,097.20 and 4,870,538.40

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Solution

The fourth proportional to 8,238,064.80, 12,357,097.20 and 4,870,538.40 is: 7,305,807.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,238,064.80 : 12,357,097.20 = 4,870,538.40 : x
  2. Step 2: Convert to fraction form
    8,238,064.80/12,357,097.20 = 4,870,538.40/x
  3. Step 3: Cross multiply
    8,238,064.80x = 12,357,097.20 × 4,870,538.40
  4. Step 4: Simplify right side
    8,238,064.80x = 60,185,716,425,132.48
  5. Step 5: Solve for x
    x = 60,185,716,425,132.48/8,238,064.80
  6. Step 6: Final answer
    x = 7,305,807.60

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.