Home / 9,920,420.48-14,876,853.60-5,878,049.12

Finding the Fourth Proportional to 9,920,420.48, 14,876,853.60 and 5,878,049.12

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Solution

The fourth proportional to 9,920,420.48, 14,876,853.60 and 5,878,049.12 is: 8,814,835.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,920,420.48 : 14,876,853.60 = 5,878,049.12 : x
  2. Step 2: Convert to fraction form
    9,920,420.48/14,876,853.60 = 5,878,049.12/x
  3. Step 3: Cross multiply
    9,920,420.48x = 14,876,853.60 × 5,878,049.12
  4. Step 4: Simplify right side
    9,920,420.48x = 87,446,876,211,848.83
  5. Step 5: Solve for x
    x = 87,446,876,211,848.83/9,920,420.48
  6. Step 6: Final answer
    x = 8,814,835.66

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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.