Home / 21,399,405.12-32,101,543.44-7,758,975.24

Finding the Fourth Proportional to 21,399,405.12, 32,101,543.44 and 7,758,975.24

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Solution

The fourth proportional to 21,399,405.12, 32,101,543.44 and 7,758,975.24 is: 11,639,346.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,399,405.12 : 32,101,543.44 = 7,758,975.24 : x
  2. Step 2: Convert to fraction form
    21,399,405.12/32,101,543.44 = 7,758,975.24/x
  3. Step 3: Cross multiply
    21,399,405.12x = 32,101,543.44 × 7,758,975.24
  4. Step 4: Simplify right side
    21,399,405.12x = 249,075,080,716,744.44
  5. Step 5: Solve for x
    x = 249,075,080,716,744.44/21,399,405.12
  6. Step 6: Final answer
    x = 11,639,346.02

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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.