Home / 15,407,975.66-21,262,987.22-8,532,449.42

Finding the Fourth Proportional to 15,407,975.66, 21,262,987.22 and 8,532,449.42

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Solution

The fourth proportional to 15,407,975.66, 21,262,987.22 and 8,532,449.42 is: 11,774,769.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,407,975.66 : 21,262,987.22 = 8,532,449.42 : x
  2. Step 2: Convert to fraction form
    15,407,975.66/21,262,987.22 = 8,532,449.42/x
  3. Step 3: Cross multiply
    15,407,975.66x = 21,262,987.22 × 8,532,449.42
  4. Step 4: Simplify right side
    15,407,975.66x = 181,425,362,972,756.41
  5. Step 5: Solve for x
    x = 181,425,362,972,756.41/15,407,975.66
  6. Step 6: Final answer
    x = 11,774,769.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.