Home / 15,789,987.60-23,684,981.40-8,987,542.80

Finding the Fourth Proportional to 15,789,987.60, 23,684,981.40 and 8,987,542.80

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Solution

The fourth proportional to 15,789,987.60, 23,684,981.40 and 8,987,542.80 is: 13,481,314.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,789,987.60 : 23,684,981.40 = 8,987,542.80 : x
  2. Step 2: Convert to fraction form
    15,789,987.60/23,684,981.40 = 8,987,542.80/x
  3. Step 3: Cross multiply
    15,789,987.60x = 23,684,981.40 × 8,987,542.80
  4. Step 4: Simplify right side
    15,789,987.60x = 212,869,784,049,703.94
  5. Step 5: Solve for x
    x = 212,869,784,049,703.94/15,789,987.60
  6. Step 6: Final answer
    x = 13,481,314.20

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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.