Home / 12,368,641.38-17,070,774.30-6,863,784.68

Finding the Fourth Proportional to 12,368,641.38, 17,070,774.30 and 6,863,784.68

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Solution

The fourth proportional to 12,368,641.38, 17,070,774.30 and 6,863,784.68 is: 9,473,160.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,368,641.38 : 17,070,774.30 = 6,863,784.68 : x
  2. Step 2: Convert to fraction form
    12,368,641.38/17,070,774.30 = 6,863,784.68/x
  3. Step 3: Cross multiply
    12,368,641.38x = 17,070,774.30 × 6,863,784.68
  4. Step 4: Simplify right side
    12,368,641.38x = 117,170,119,158,754.67
  5. Step 5: Solve for x
    x = 117,170,119,158,754.67/12,368,641.38
  6. Step 6: Final answer
    x = 9,473,160.03

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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.