Home / 7,779,649.92-11,660,026.24-5,505,838.80

Finding the Fourth Proportional to 7,779,649.92, 11,660,026.24 and 5,505,838.80

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Solution

The fourth proportional to 7,779,649.92, 11,660,026.24 and 5,505,838.80 is: 8,252,071.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,779,649.92 : 11,660,026.24 = 5,505,838.80 : x
  2. Step 2: Convert to fraction form
    7,779,649.92/11,660,026.24 = 5,505,838.80/x
  3. Step 3: Cross multiply
    7,779,649.92x = 11,660,026.24 × 5,505,838.80
  4. Step 4: Simplify right side
    7,779,649.92x = 64,198,224,881,210.11
  5. Step 5: Solve for x
    x = 64,198,224,881,210.11/7,779,649.92
  6. Step 6: Final answer
    x = 8,252,071.18

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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.