Home / 8,445,012.12-12,667,517.14-7,304,384.32

Finding the Fourth Proportional to 8,445,012.12, 12,667,517.14 and 7,304,384.32

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Solution

The fourth proportional to 8,445,012.12, 12,667,517.14 and 7,304,384.32 is: 10,956,575.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,445,012.12 : 12,667,517.14 = 7,304,384.32 : x
  2. Step 2: Convert to fraction form
    8,445,012.12/12,667,517.14 = 7,304,384.32/x
  3. Step 3: Cross multiply
    8,445,012.12x = 12,667,517.14 × 7,304,384.32
  4. Step 4: Simplify right side
    8,445,012.12x = 92,528,413,570,747.25
  5. Step 5: Solve for x
    x = 92,528,413,570,747.25/8,445,012.12
  6. Step 6: Final answer
    x = 10,956,575.58

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Double scale
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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.