Home / 11,871,711.50-16,382,801.10-6,644,718.11

Finding the Fourth Proportional to 11,871,711.50, 16,382,801.10 and 6,644,718.11

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Solution

The fourth proportional to 11,871,711.50, 16,382,801.10 and 6,644,718.11 is: 9,169,621.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,871,711.50 : 16,382,801.10 = 6,644,718.11 : x
  2. Step 2: Convert to fraction form
    11,871,711.50/16,382,801.10 = 6,644,718.11/x
  3. Step 3: Cross multiply
    11,871,711.50x = 16,382,801.10 × 6,644,718.11
  4. Step 4: Simplify right side
    11,871,711.50x = 108,859,095,161,697.92
  5. Step 5: Solve for x
    x = 108,859,095,161,697.92/11,871,711.50
  6. Step 6: Final answer
    x = 9,169,621.01

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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.