Home / 12,456,601.90-18,684,902.85-11,700,774.70

Finding the Fourth Proportional to 12,456,601.90, 18,684,902.85 and 11,700,774.70

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Solution

The fourth proportional to 12,456,601.90, 18,684,902.85 and 11,700,774.70 is: 17,551,162.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,456,601.90 : 18,684,902.85 = 11,700,774.70 : x
  2. Step 2: Convert to fraction form
    12,456,601.90/18,684,902.85 = 11,700,774.70/x
  3. Step 3: Cross multiply
    12,456,601.90x = 18,684,902.85 × 11,700,774.70
  4. Step 4: Simplify right side
    12,456,601.90x = 218,627,838,539,237.91
  5. Step 5: Solve for x
    x = 218,627,838,539,237.91/12,456,601.90
  6. Step 6: Final answer
    x = 17,551,162.05

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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.