Home / 21,370,761.60-32,059,252.80-6,990,345.60

Finding the Fourth Proportional to 21,370,761.60, 32,059,252.80 and 6,990,345.60

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Solution

The fourth proportional to 21,370,761.60, 32,059,252.80 and 6,990,345.60 is: 10,486,535.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,370,761.60 : 32,059,252.80 = 6,990,345.60 : x
  2. Step 2: Convert to fraction form
    21,370,761.60/32,059,252.80 = 6,990,345.60/x
  3. Step 3: Cross multiply
    21,370,761.60x = 32,059,252.80 × 6,990,345.60
  4. Step 4: Simplify right side
    21,370,761.60x = 224,105,256,749,767.69
  5. Step 5: Solve for x
    x = 224,105,256,749,767.69/21,370,761.60
  6. Step 6: Final answer
    x = 10,486,535.81

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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.