Home / 22,738,393.60-31,378,602.72-12,424,878.88

Finding the Fourth Proportional to 22,738,393.60, 31,378,602.72 and 12,424,878.88

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Solution

The fourth proportional to 22,738,393.60, 31,378,602.72 and 12,424,878.88 is: 17,146,124.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,738,393.60 : 31,378,602.72 = 12,424,878.88 : x
  2. Step 2: Convert to fraction form
    22,738,393.60/31,378,602.72 = 12,424,878.88/x
  3. Step 3: Cross multiply
    22,738,393.60x = 31,378,602.72 × 12,424,878.88
  4. Step 4: Simplify right side
    22,738,393.60x = 389,875,338,219,638.56
  5. Step 5: Solve for x
    x = 389,875,338,219,638.56/22,738,393.60
  6. Step 6: Final answer
    x = 17,146,124.97

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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.