Home / 12,903,079.46-17,806,248.59-7,022,755.76

Finding the Fourth Proportional to 12,903,079.46, 17,806,248.59 and 7,022,755.76

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Solution

The fourth proportional to 12,903,079.46, 17,806,248.59 and 7,022,755.76 is: 9,691,402.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,903,079.46 : 17,806,248.59 = 7,022,755.76 : x
  2. Step 2: Convert to fraction form
    12,903,079.46/17,806,248.59 = 7,022,755.76/x
  3. Step 3: Cross multiply
    12,903,079.46x = 17,806,248.59 × 7,022,755.76
  4. Step 4: Simplify right side
    12,903,079.46x = 125,048,934,725,269.36
  5. Step 5: Solve for x
    x = 125,048,934,725,269.36/12,903,079.46
  6. Step 6: Final answer
    x = 9,691,402.36

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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.