Home / 21,339,776-32,009,746.08-5,165,700.80

Finding the Fourth Proportional to 21,339,776, 32,009,746.08 and 5,165,700.80

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Solution

The fourth proportional to 21,339,776, 32,009,746.08 and 5,165,700.80 is: 7,748,571.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,339,776 : 32,009,746.08 = 5,165,700.80 : x
  2. Step 2: Convert to fraction form
    21,339,776/32,009,746.08 = 5,165,700.80/x
  3. Step 3: Cross multiply
    21,339,776x = 32,009,746.08 × 5,165,700.80
  4. Step 4: Simplify right side
    21,339,776x = 165,352,770,933,252.84
  5. Step 5: Solve for x
    x = 165,352,770,933,252.84/21,339,776
  6. Step 6: Final answer
    x = 7,748,571.07

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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.