Home / 15,320,074.23-21,141,066.31-8,350,598.45

Finding the Fourth Proportional to 15,320,074.23, 21,141,066.31 and 8,350,598.45

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Solution

The fourth proportional to 15,320,074.23, 21,141,066.31 and 8,350,598.45 is: 11,523,479.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,320,074.23 : 21,141,066.31 = 8,350,598.45 : x
  2. Step 2: Convert to fraction form
    15,320,074.23/21,141,066.31 = 8,350,598.45/x
  3. Step 3: Cross multiply
    15,320,074.23x = 21,141,066.31 × 8,350,598.45
  4. Step 4: Simplify right side
    15,320,074.23x = 176,540,555,559,633.22
  5. Step 5: Solve for x
    x = 176,540,555,559,633.22/15,320,074.23
  6. Step 6: Final answer
    x = 11,523,479.12

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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.