Home / 31,853,341-47,780,186.46-7,918,813

Finding the Fourth Proportional to 31,853,341, 47,780,186.46 and 7,918,813

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Solution

The fourth proportional to 31,853,341, 47,780,186.46 and 7,918,813 is: 11,878,263.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,853,341 : 47,780,186.46 = 7,918,813 : x
  2. Step 2: Convert to fraction form
    31,853,341/47,780,186.46 = 7,918,813/x
  3. Step 3: Cross multiply
    31,853,341x = 47,780,186.46 × 7,918,813
  4. Step 4: Simplify right side
    31,853,341x = 378,362,361,681,872
  5. Step 5: Solve for x
    x = 378,362,361,681,872/31,853,341
  6. Step 6: Final answer
    x = 11,878,263.00

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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.