Home / 12,069,731.22-16,662,399.96-9,310,223.76

Finding the Fourth Proportional to 12,069,731.22, 16,662,399.96 and 9,310,223.76

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Solution

The fourth proportional to 12,069,731.22, 16,662,399.96 and 9,310,223.76 is: 12,852,868.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,069,731.22 : 16,662,399.96 = 9,310,223.76 : x
  2. Step 2: Convert to fraction form
    12,069,731.22/16,662,399.96 = 9,310,223.76/x
  3. Step 3: Cross multiply
    12,069,731.22x = 16,662,399.96 × 9,310,223.76
  4. Step 4: Simplify right side
    12,069,731.22x = 155,130,672,006,215.06
  5. Step 5: Solve for x
    x = 155,130,672,006,215.06/12,069,731.22
  6. Step 6: Final answer
    x = 12,852,868.82

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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.