Home / 10,502,408.40-15,753,612.60-8,878,779.60

Finding the Fourth Proportional to 10,502,408.40, 15,753,612.60 and 8,878,779.60

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Solution

The fourth proportional to 10,502,408.40, 15,753,612.60 and 8,878,779.60 is: 13,318,169.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,502,408.40 : 15,753,612.60 = 8,878,779.60 : x
  2. Step 2: Convert to fraction form
    10,502,408.40/15,753,612.60 = 8,878,779.60/x
  3. Step 3: Cross multiply
    10,502,408.40x = 15,753,612.60 × 8,878,779.60
  4. Step 4: Simplify right side
    10,502,408.40x = 139,872,854,179,182.95
  5. Step 5: Solve for x
    x = 139,872,854,179,182.95/10,502,408.40
  6. Step 6: Final answer
    x = 13,318,169.40

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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.