Home / 12,711,693.72-17,525,671.74-8,233,280.40

Finding the Fourth Proportional to 12,711,693.72, 17,525,671.74 and 8,233,280.40

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Solution

The fourth proportional to 12,711,693.72, 17,525,671.74 and 8,233,280.40 is: 11,351,262.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,711,693.72 : 17,525,671.74 = 8,233,280.40 : x
  2. Step 2: Convert to fraction form
    12,711,693.72/17,525,671.74 = 8,233,280.40/x
  3. Step 3: Cross multiply
    12,711,693.72x = 17,525,671.74 × 8,233,280.40
  4. Step 4: Simplify right side
    12,711,693.72x = 144,293,769,633,775.88
  5. Step 5: Solve for x
    x = 144,293,769,633,775.88/12,711,693.72
  6. Step 6: Final answer
    x = 11,351,262.30

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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.