Home / 12,117,196.70-16,721,785.68-6,610,554.87

Finding the Fourth Proportional to 12,117,196.70, 16,721,785.68 and 6,610,554.87

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Solution

The fourth proportional to 12,117,196.70, 16,721,785.68 and 6,610,554.87 is: 9,122,595.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,117,196.70 : 16,721,785.68 = 6,610,554.87 : x
  2. Step 2: Convert to fraction form
    12,117,196.70/16,721,785.68 = 6,610,554.87/x
  3. Step 3: Cross multiply
    12,117,196.70x = 16,721,785.68 × 6,610,554.87
  4. Step 4: Simplify right side
    12,117,196.70x = 110,540,281,711,708.36
  5. Step 5: Solve for x
    x = 110,540,281,711,708.36/12,117,196.70
  6. Step 6: Final answer
    x = 9,122,595.30

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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.