Home / 18,536,616.90-27,804,925.35-12,474,252.90

Finding the Fourth Proportional to 18,536,616.90, 27,804,925.35 and 12,474,252.90

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Solution

The fourth proportional to 18,536,616.90, 27,804,925.35 and 12,474,252.90 is: 18,711,379.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,536,616.90 : 27,804,925.35 = 12,474,252.90 : x
  2. Step 2: Convert to fraction form
    18,536,616.90/27,804,925.35 = 12,474,252.90/x
  3. Step 3: Cross multiply
    18,536,616.90x = 27,804,925.35 × 12,474,252.90
  4. Step 4: Simplify right side
    18,536,616.90x = 346,845,670,681,521.06
  5. Step 5: Solve for x
    x = 346,845,670,681,521.06/18,536,616.90
  6. Step 6: Final answer
    x = 18,711,379.35

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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.