Home / 21,869,080.40-32,803,620.60-9,738,520.40

Finding the Fourth Proportional to 21,869,080.40, 32,803,620.60 and 9,738,520.40

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Solution

The fourth proportional to 21,869,080.40, 32,803,620.60 and 9,738,520.40 is: 14,607,780.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,869,080.40 : 32,803,620.60 = 9,738,520.40 : x
  2. Step 2: Convert to fraction form
    21,869,080.40/32,803,620.60 = 9,738,520.40/x
  3. Step 3: Cross multiply
    21,869,080.40x = 32,803,620.60 × 9,738,520.40
  4. Step 4: Simplify right side
    21,869,080.40x = 319,458,728,406,960.25
  5. Step 5: Solve for x
    x = 319,458,728,406,960.25/21,869,080.40
  6. Step 6: Final answer
    x = 14,607,780.60

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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.