Home / 22,550,907.67-31,120,252.80-12,237,630.76

Finding the Fourth Proportional to 22,550,907.67, 31,120,252.80 and 12,237,630.76

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Solution

The fourth proportional to 22,550,907.67, 31,120,252.80 and 12,237,630.76 is: 16,887,930.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,550,907.67 : 31,120,252.80 = 12,237,630.76 : x
  2. Step 2: Convert to fraction form
    22,550,907.67/31,120,252.80 = 12,237,630.76/x
  3. Step 3: Cross multiply
    22,550,907.67x = 31,120,252.80 × 12,237,630.76
  4. Step 4: Simplify right side
    22,550,907.67x = 380,838,162,924,256.12
  5. Step 5: Solve for x
    x = 380,838,162,924,256.12/22,550,907.67
  6. Step 6: Final answer
    x = 16,887,930.57

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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.