Home / 12,116,223.18-16,720,442.55-6,609,580.74

Finding the Fourth Proportional to 12,116,223.18, 16,720,442.55 and 6,609,580.74

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Solution

The fourth proportional to 12,116,223.18, 16,720,442.55 and 6,609,580.74 is: 9,121,251.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,116,223.18 : 16,720,442.55 = 6,609,580.74 : x
  2. Step 2: Convert to fraction form
    12,116,223.18/16,720,442.55 = 6,609,580.74/x
  3. Step 3: Cross multiply
    12,116,223.18x = 16,720,442.55 × 6,609,580.74
  4. Step 4: Simplify right side
    12,116,223.18x = 110,515,115,042,756.50
  5. Step 5: Solve for x
    x = 110,515,115,042,756.50/12,116,223.18
  6. Step 6: Final answer
    x = 9,121,251.19

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1.5x scale

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.