Home / 9,669,920.40-14,510,129.40-3,990,718.80

Finding the Fourth Proportional to 9,669,920.40, 14,510,129.40 and 3,990,718.80

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Solution

The fourth proportional to 9,669,920.40, 14,510,129.40 and 3,990,718.80 is: 5,988,244.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,669,920.40 : 14,510,129.40 = 3,990,718.80 : x
  2. Step 2: Convert to fraction form
    9,669,920.40/14,510,129.40 = 3,990,718.80/x
  3. Step 3: Cross multiply
    9,669,920.40x = 14,510,129.40 × 3,990,718.80
  4. Step 4: Simplify right side
    9,669,920.40x = 57,905,846,187,012.72
  5. Step 5: Solve for x
    x = 57,905,846,187,012.72/9,669,920.40
  6. Step 6: Final answer
    x = 5,988,244.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.