Home / 9,985,778.48-14,979,094.89-3,921,824.81

Finding the Fourth Proportional to 9,985,778.48, 14,979,094.89 and 3,921,824.81

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Solution

The fourth proportional to 9,985,778.48, 14,979,094.89 and 3,921,824.81 is: 5,882,904.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,985,778.48 : 14,979,094.89 = 3,921,824.81 : x
  2. Step 2: Convert to fraction form
    9,985,778.48/14,979,094.89 = 3,921,824.81/x
  3. Step 3: Cross multiply
    9,985,778.48x = 14,979,094.89 × 3,921,824.81
  4. Step 4: Simplify right side
    9,985,778.48x = 58,745,385,896,050.75
  5. Step 5: Solve for x
    x = 58,745,385,896,050.75/9,985,778.48
  6. Step 6: Final answer
    x = 5,882,904.98

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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.