Home / 8,853,207.10-12,217,259.89-5,415,195.58

Finding the Fourth Proportional to 8,853,207.10, 12,217,259.89 and 5,415,195.58

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Solution

The fourth proportional to 8,853,207.10, 12,217,259.89 and 5,415,195.58 is: 7,472,868.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,853,207.10 : 12,217,259.89 = 5,415,195.58 : x
  2. Step 2: Convert to fraction form
    8,853,207.10/12,217,259.89 = 5,415,195.58/x
  3. Step 3: Cross multiply
    8,853,207.10x = 12,217,259.89 × 5,415,195.58
  4. Step 4: Simplify right side
    8,853,207.10x = 66,158,851,756,039.29
  5. Step 5: Solve for x
    x = 66,158,851,756,039.29/8,853,207.10
  6. Step 6: Final answer
    x = 7,472,868.42

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1.5x scale

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.