Home / 12,080,868.15-16,671,600.79-6,648,360.15

Finding the Fourth Proportional to 12,080,868.15, 16,671,600.79 and 6,648,360.15

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Solution

The fourth proportional to 12,080,868.15, 16,671,600.79 and 6,648,360.15 is: 9,174,738.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,080,868.15 : 16,671,600.79 = 6,648,360.15 : x
  2. Step 2: Convert to fraction form
    12,080,868.15/16,671,600.79 = 6,648,360.15/x
  3. Step 3: Cross multiply
    12,080,868.15x = 16,671,600.79 × 6,648,360.15
  4. Step 4: Simplify right side
    12,080,868.15x = 110,838,806,374,842.11
  5. Step 5: Solve for x
    x = 110,838,806,374,842.11/12,080,868.15
  6. Step 6: Final answer
    x = 9,174,738.52

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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.