Home / 30,656,100.11-45,932,095.85-18,500,019.71

Finding the Fourth Proportional to 30,656,100.11, 45,932,095.85 and 18,500,019.71

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Solution

The fourth proportional to 30,656,100.11, 45,932,095.85 and 18,500,019.71 is: 27,718,616.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,656,100.11 : 45,932,095.85 = 18,500,019.71 : x
  2. Step 2: Convert to fraction form
    30,656,100.11/45,932,095.85 = 18,500,019.71/x
  3. Step 3: Cross multiply
    30,656,100.11x = 45,932,095.85 × 18,500,019.71
  4. Step 4: Simplify right side
    30,656,100.11x = 849,744,678,224,448.50
  5. Step 5: Solve for x
    x = 849,744,678,224,448.50/30,656,100.11
  6. Step 6: Final answer
    x = 27,718,616.37

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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.