Home / 8,241,752.70-12,339,009.45-8,005,556.70

Finding the Fourth Proportional to 8,241,752.70, 12,339,009.45 and 8,005,556.70

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Solution

The fourth proportional to 8,241,752.70, 12,339,009.45 and 8,005,556.70 is: 11,985,392.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,241,752.70 : 12,339,009.45 = 8,005,556.70 : x
  2. Step 2: Convert to fraction form
    8,241,752.70/12,339,009.45 = 8,005,556.70/x
  3. Step 3: Cross multiply
    8,241,752.70x = 12,339,009.45 × 8,005,556.70
  4. Step 4: Simplify right side
    8,241,752.70x = 98,780,639,773,810.81
  5. Step 5: Solve for x
    x = 98,780,639,773,810.81/8,241,752.70
  6. Step 6: Final answer
    x = 11,985,392.35

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1.5x scale

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.