Home / 12,535,512.50-17,293,653.54-8,661,307.61

Finding the Fourth Proportional to 12,535,512.50, 17,293,653.54 and 8,661,307.61

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Solution

The fourth proportional to 12,535,512.50, 17,293,653.54 and 8,661,307.61 is: 11,948,905.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,535,512.50 : 17,293,653.54 = 8,661,307.61 : x
  2. Step 2: Convert to fraction form
    12,535,512.50/17,293,653.54 = 8,661,307.61/x
  3. Step 3: Cross multiply
    12,535,512.50x = 17,293,653.54 × 8,661,307.61
  4. Step 4: Simplify right side
    12,535,512.50x = 149,785,652,924,237.16
  5. Step 5: Solve for x
    x = 149,785,652,924,237.16/12,535,512.50
  6. Step 6: Final answer
    x = 11,948,905.40

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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.