Home / 12,108,538.19-16,709,913.16-6,601,868.15

Finding the Fourth Proportional to 12,108,538.19, 16,709,913.16 and 6,601,868.15

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Solution

The fourth proportional to 12,108,538.19, 16,709,913.16 and 6,601,868.15 is: 9,110,649.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,108,538.19 : 16,709,913.16 = 6,601,868.15 : x
  2. Step 2: Convert to fraction form
    12,108,538.19/16,709,913.16 = 6,601,868.15/x
  3. Step 3: Cross multiply
    12,108,538.19x = 16,709,913.16 × 6,601,868.15
  4. Step 4: Simplify right side
    12,108,538.19x = 110,316,643,380,215.61
  5. Step 5: Solve for x
    x = 110,316,643,380,215.61/12,108,538.19
  6. Step 6: Final answer
    x = 9,110,649.17

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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.