Home / 21,312,256.80-31,972,532.40-9,181,696.80

Finding the Fourth Proportional to 21,312,256.80, 31,972,532.40 and 9,181,696.80

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Solution

The fourth proportional to 21,312,256.80, 31,972,532.40 and 9,181,696.80 is: 13,774,331.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,312,256.80 : 31,972,532.40 = 9,181,696.80 : x
  2. Step 2: Convert to fraction form
    21,312,256.80/31,972,532.40 = 9,181,696.80/x
  3. Step 3: Cross multiply
    21,312,256.80x = 31,972,532.40 × 9,181,696.80
  4. Step 4: Simplify right side
    21,312,256.80x = 293,562,098,424,976.31
  5. Step 5: Solve for x
    x = 293,562,098,424,976.31/21,312,256.80
  6. Step 6: Final answer
    x = 13,774,331.89

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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.