Home / 31,709,700.22-47,530,547.94-20,775,760.91

Finding the Fourth Proportional to 31,709,700.22, 47,530,547.94 and 20,775,760.91

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Solution

The fourth proportional to 31,709,700.22, 47,530,547.94 and 20,775,760.91 is: 31,141,363.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,709,700.22 : 47,530,547.94 = 20,775,760.91 : x
  2. Step 2: Convert to fraction form
    31,709,700.22/47,530,547.94 = 20,775,760.91/x
  3. Step 3: Cross multiply
    31,709,700.22x = 47,530,547.94 × 20,775,760.91
  4. Step 4: Simplify right side
    31,709,700.22x = 987,483,300,119,468.62
  5. Step 5: Solve for x
    x = 987,483,300,119,468.62/31,709,700.22
  6. Step 6: Final answer
    x = 31,141,363.47

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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.