Home / 9,788,407.35-13,508,094.48-5,378,225.53

Finding the Fourth Proportional to 9,788,407.35, 13,508,094.48 and 5,378,225.53

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Solution

The fourth proportional to 9,788,407.35, 13,508,094.48 and 5,378,225.53 is: 7,422,001.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,788,407.35 : 13,508,094.48 = 5,378,225.53 : x
  2. Step 2: Convert to fraction form
    9,788,407.35/13,508,094.48 = 5,378,225.53/x
  3. Step 3: Cross multiply
    9,788,407.35x = 13,508,094.48 × 5,378,225.53
  4. Step 4: Simplify right side
    9,788,407.35x = 72,649,578,595,629.69
  5. Step 5: Solve for x
    x = 72,649,578,595,629.69/9,788,407.35
  6. Step 6: Final answer
    x = 7,422,001.96

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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.