Home / 13,260,909.02-19,893,772.91-5,479,842.11

Finding the Fourth Proportional to 13,260,909.02, 19,893,772.91 and 5,479,842.11

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Solution

The fourth proportional to 13,260,909.02, 19,893,772.91 and 5,479,842.11 is: 8,220,758.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,260,909.02 : 19,893,772.91 = 5,479,842.11 : x
  2. Step 2: Convert to fraction form
    13,260,909.02/19,893,772.91 = 5,479,842.11/x
  3. Step 3: Cross multiply
    13,260,909.02x = 19,893,772.91 × 5,479,842.11
  4. Step 4: Simplify right side
    13,260,909.02x = 109,014,734,433,226
  5. Step 5: Solve for x
    x = 109,014,734,433,226/13,260,909.02
  6. Step 6: Final answer
    x = 8,220,758.80

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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.