Home / 15,120,727.20-22,681,090.80-10,869,199.20

Finding the Fourth Proportional to 15,120,727.20, 22,681,090.80 and 10,869,199.20

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Solution

The fourth proportional to 15,120,727.20, 22,681,090.80 and 10,869,199.20 is: 16,303,798.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,120,727.20 : 22,681,090.80 = 10,869,199.20 : x
  2. Step 2: Convert to fraction form
    15,120,727.20/22,681,090.80 = 10,869,199.20/x
  3. Step 3: Cross multiply
    15,120,727.20x = 22,681,090.80 × 10,869,199.20
  4. Step 4: Simplify right side
    15,120,727.20x = 246,525,293,978,487.34
  5. Step 5: Solve for x
    x = 246,525,293,978,487.34/15,120,727.20
  6. Step 6: Final answer
    x = 16,303,798.80

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1.5x scale

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.