Home / 8,537,836.78-12,807,652.08-2,781,019

Finding the Fourth Proportional to 8,537,836.78, 12,807,652.08 and 2,781,019

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Solution

The fourth proportional to 8,537,836.78, 12,807,652.08 and 2,781,019 is: 4,171,820.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,537,836.78 : 12,807,652.08 = 2,781,019 : x
  2. Step 2: Convert to fraction form
    8,537,836.78/12,807,652.08 = 2,781,019/x
  3. Step 3: Cross multiply
    8,537,836.78x = 12,807,652.08 × 2,781,019
  4. Step 4: Simplify right side
    8,537,836.78x = 35,618,323,779,869.52
  5. Step 5: Solve for x
    x = 35,618,323,779,869.52/8,537,836.78
  6. Step 6: Final answer
    x = 4,171,820.65

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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.