Home / 31,796,740.70-47,695,111.05-7,862,212.70

Finding the Fourth Proportional to 31,796,740.70, 47,695,111.05 and 7,862,212.70

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Solution

The fourth proportional to 31,796,740.70, 47,695,111.05 and 7,862,212.70 is: 11,793,319.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,796,740.70 : 47,695,111.05 = 7,862,212.70 : x
  2. Step 2: Convert to fraction form
    31,796,740.70/47,695,111.05 = 7,862,212.70/x
  3. Step 3: Cross multiply
    31,796,740.70x = 47,695,111.05 × 7,862,212.70
  4. Step 4: Simplify right side
    31,796,740.70x = 374,989,107,825,220.31
  5. Step 5: Solve for x
    x = 374,989,107,825,220.31/31,796,740.70
  6. Step 6: Final answer
    x = 11,793,319.05

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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.