Home / 18,535,621.80-27,803,432.70-10,958,687.40

Finding the Fourth Proportional to 18,535,621.80, 27,803,432.70 and 10,958,687.40

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Solution

The fourth proportional to 18,535,621.80, 27,803,432.70 and 10,958,687.40 is: 16,438,031.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,535,621.80 : 27,803,432.70 = 10,958,687.40 : x
  2. Step 2: Convert to fraction form
    18,535,621.80/27,803,432.70 = 10,958,687.40/x
  3. Step 3: Cross multiply
    18,535,621.80x = 27,803,432.70 × 10,958,687.40
  4. Step 4: Simplify right side
    18,535,621.80x = 304,689,127,606,238
  5. Step 5: Solve for x
    x = 304,689,127,606,238/18,535,621.80
  6. Step 6: Final answer
    x = 16,438,031.10

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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.