Home / 47,242,918.72-70,838,734.52-21,304,871.60

Finding the Fourth Proportional to 47,242,918.72, 70,838,734.52 and 21,304,871.60

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Solution

The fourth proportional to 47,242,918.72, 70,838,734.52 and 21,304,871.60 is: 31,945,743.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,242,918.72 : 70,838,734.52 = 21,304,871.60 : x
  2. Step 2: Convert to fraction form
    47,242,918.72/70,838,734.52 = 21,304,871.60/x
  3. Step 3: Cross multiply
    47,242,918.72x = 70,838,734.52 × 21,304,871.60
  4. Step 4: Simplify right side
    47,242,918.72x = 1,509,210,143,255,087.75
  5. Step 5: Solve for x
    x = 1,509,210,143,255,087.75/47,242,918.72
  6. Step 6: Final answer
    x = 31,945,743.07

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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.