Home / 15,206,151.06-20,984,313.60-8,236,697.22

Finding the Fourth Proportional to 15,206,151.06, 20,984,313.60 and 8,236,697.22

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Solution

The fourth proportional to 15,206,151.06, 20,984,313.60 and 8,236,697.22 is: 11,366,547.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,206,151.06 : 20,984,313.60 = 8,236,697.22 : x
  2. Step 2: Convert to fraction form
    15,206,151.06/20,984,313.60 = 8,236,697.22/x
  3. Step 3: Cross multiply
    15,206,151.06x = 20,984,313.60 × 8,236,697.22
  4. Step 4: Simplify right side
    15,206,151.06x = 172,841,437,492,728.19
  5. Step 5: Solve for x
    x = 172,841,437,492,728.19/15,206,151.06
  6. Step 6: Final answer
    x = 11,366,547.45

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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.