Home / 8,748,007.70-13,122,011.55-8,511,811.70

Finding the Fourth Proportional to 8,748,007.70, 13,122,011.55 and 8,511,811.70

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Solution

The fourth proportional to 8,748,007.70, 13,122,011.55 and 8,511,811.70 is: 12,767,717.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748,007.70 : 13,122,011.55 = 8,511,811.70 : x
  2. Step 2: Convert to fraction form
    8,748,007.70/13,122,011.55 = 8,511,811.70/x
  3. Step 3: Cross multiply
    8,748,007.70x = 13,122,011.55 × 8,511,811.70
  4. Step 4: Simplify right side
    8,748,007.70x = 111,692,091,438,825.12
  5. Step 5: Solve for x
    x = 111,692,091,438,825.12/8,748,007.70
  6. Step 6: Final answer
    x = 12,767,717.55

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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.