Home / 8,971,430.34-13,456,494.78-3,505,497.68

Finding the Fourth Proportional to 8,971,430.34, 13,456,494.78 and 3,505,497.68

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Solution

The fourth proportional to 8,971,430.34, 13,456,494.78 and 3,505,497.68 is: 5,257,992.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,971,430.34 : 13,456,494.78 = 3,505,497.68 : x
  2. Step 2: Convert to fraction form
    8,971,430.34/13,456,494.78 = 3,505,497.68/x
  3. Step 3: Cross multiply
    8,971,430.34x = 13,456,494.78 × 3,505,497.68
  4. Step 4: Simplify right side
    8,971,430.34x = 47,171,711,232,222.11
  5. Step 5: Solve for x
    x = 47,171,711,232,222.11/8,971,430.34
  6. Step 6: Final answer
    x = 5,257,992.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.