Home / 47,389,870.50-71,084,805.76-11,488,078.50

Finding the Fourth Proportional to 47,389,870.50, 71,084,805.76 and 11,488,078.50

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Solution

The fourth proportional to 47,389,870.50, 71,084,805.76 and 11,488,078.50 is: 17,232,117.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,389,870.50 : 71,084,805.76 = 11,488,078.50 : x
  2. Step 2: Convert to fraction form
    47,389,870.50/71,084,805.76 = 11,488,078.50/x
  3. Step 3: Cross multiply
    47,389,870.50x = 71,084,805.76 × 11,488,078.50
  4. Step 4: Simplify right side
    47,389,870.50x = 816,627,828,728,132.25
  5. Step 5: Solve for x
    x = 816,627,828,728,132.25/47,389,870.50
  6. Step 6: Final answer
    x = 17,232,117.75

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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.