Home / 7,188,009.48-9,919,657.62-3,925,031.40

Finding the Fourth Proportional to 7,188,009.48, 9,919,657.62 and 3,925,031.40

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Solution

The fourth proportional to 7,188,009.48, 9,919,657.62 and 3,925,031.40 is: 5,416,655.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,188,009.48 : 9,919,657.62 = 3,925,031.40 : x
  2. Step 2: Convert to fraction form
    7,188,009.48/9,919,657.62 = 3,925,031.40/x
  3. Step 3: Cross multiply
    7,188,009.48x = 9,919,657.62 × 3,925,031.40
  4. Step 4: Simplify right side
    7,188,009.48x = 38,934,967,635,749.27
  5. Step 5: Solve for x
    x = 38,934,967,635,749.27/7,188,009.48
  6. Step 6: Final answer
    x = 5,416,655.02

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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.