Home / 10,196,728.56-14,071,990.68-5,613,001.20

Finding the Fourth Proportional to 10,196,728.56, 14,071,990.68 and 5,613,001.20

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Solution

The fourth proportional to 10,196,728.56, 14,071,990.68 and 5,613,001.20 is: 7,746,219.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,196,728.56 : 14,071,990.68 = 5,613,001.20 : x
  2. Step 2: Convert to fraction form
    10,196,728.56/14,071,990.68 = 5,613,001.20/x
  3. Step 3: Cross multiply
    10,196,728.56x = 14,071,990.68 × 5,613,001.20
  4. Step 4: Simplify right side
    10,196,728.56x = 78,986,100,573,228.81
  5. Step 5: Solve for x
    x = 78,986,100,573,228.81/10,196,728.56
  6. Step 6: Final answer
    x = 7,746,219.79

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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.