Home / 31,560,005.40-47,340,008.10-18,123,077.40

Finding the Fourth Proportional to 31,560,005.40, 47,340,008.10 and 18,123,077.40

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Solution

The fourth proportional to 31,560,005.40, 47,340,008.10 and 18,123,077.40 is: 27,184,616.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,560,005.40 : 47,340,008.10 = 18,123,077.40 : x
  2. Step 2: Convert to fraction form
    31,560,005.40/47,340,008.10 = 18,123,077.40/x
  3. Step 3: Cross multiply
    31,560,005.40x = 47,340,008.10 × 18,123,077.40
  4. Step 4: Simplify right side
    31,560,005.40x = 857,946,630,912,926.88
  5. Step 5: Solve for x
    x = 857,946,630,912,926.88/31,560,005.40
  6. Step 6: Final answer
    x = 27,184,616.10

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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.