Home / 18,715,067.80-28,072,601.70-17,483,349.40

Finding the Fourth Proportional to 18,715,067.80, 28,072,601.70 and 17,483,349.40

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Solution

The fourth proportional to 18,715,067.80, 28,072,601.70 and 17,483,349.40 is: 26,225,024.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,715,067.80 : 28,072,601.70 = 17,483,349.40 : x
  2. Step 2: Convert to fraction form
    18,715,067.80/28,072,601.70 = 17,483,349.40/x
  3. Step 3: Cross multiply
    18,715,067.80x = 28,072,601.70 × 17,483,349.40
  4. Step 4: Simplify right side
    18,715,067.80x = 490,803,104,088,133.94
  5. Step 5: Solve for x
    x = 490,803,104,088,133.94/18,715,067.80
  6. Step 6: Final answer
    x = 26,225,024.10

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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.