Home / 12,126,648.07-16,734,842.31-6,899,656.11

Finding the Fourth Proportional to 12,126,648.07, 16,734,842.31 and 6,899,656.11

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Solution

The fourth proportional to 12,126,648.07, 16,734,842.31 and 6,899,656.11 is: 9,521,564.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,126,648.07 : 16,734,842.31 = 6,899,656.11 : x
  2. Step 2: Convert to fraction form
    12,126,648.07/16,734,842.31 = 6,899,656.11/x
  3. Step 3: Cross multiply
    12,126,648.07x = 16,734,842.31 × 6,899,656.11
  4. Step 4: Simplify right side
    12,126,648.07x = 115,464,656,937,232.02
  5. Step 5: Solve for x
    x = 115,464,656,937,232.02/12,126,648.07
  6. Step 6: Final answer
    x = 9,521,564.10

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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.