Home / 31,964,501.10-47,953,750.05-12,790,440.30

Finding the Fourth Proportional to 31,964,501.10, 47,953,750.05 and 12,790,440.30

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Solution

The fourth proportional to 31,964,501.10, 47,953,750.05 and 12,790,440.30 is: 19,188,460.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,964,501.10 : 47,953,750.05 = 12,790,440.30 : x
  2. Step 2: Convert to fraction form
    31,964,501.10/47,953,750.05 = 12,790,440.30/x
  3. Step 3: Cross multiply
    31,964,501.10x = 47,953,750.05 × 12,790,440.30
  4. Step 4: Simplify right side
    31,964,501.10x = 613,349,577,175,647
  5. Step 5: Solve for x
    x = 613,349,577,175,647/31,964,501.10
  6. Step 6: Final answer
    x = 19,188,460.83

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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.