Home / 10,725,381.20-16,088,071.80-8,835,813.20

Finding the Fourth Proportional to 10,725,381.20, 16,088,071.80 and 8,835,813.20

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Solution

The fourth proportional to 10,725,381.20, 16,088,071.80 and 8,835,813.20 is: 13,253,719.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,725,381.20 : 16,088,071.80 = 8,835,813.20 : x
  2. Step 2: Convert to fraction form
    10,725,381.20/16,088,071.80 = 8,835,813.20/x
  3. Step 3: Cross multiply
    10,725,381.20x = 16,088,071.80 × 8,835,813.20
  4. Step 4: Simplify right side
    10,725,381.20x = 142,151,197,172,987.75
  5. Step 5: Solve for x
    x = 142,151,197,172,987.75/10,725,381.20
  6. Step 6: Final answer
    x = 13,253,719.80

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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.