Home / 21,032,365.70-31,548,548.55-13,852,007.30

Finding the Fourth Proportional to 21,032,365.70, 31,548,548.55 and 13,852,007.30

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Solution

The fourth proportional to 21,032,365.70, 31,548,548.55 and 13,852,007.30 is: 20,778,010.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,032,365.70 : 31,548,548.55 = 13,852,007.30 : x
  2. Step 2: Convert to fraction form
    21,032,365.70/31,548,548.55 = 13,852,007.30/x
  3. Step 3: Cross multiply
    21,032,365.70x = 31,548,548.55 × 13,852,007.30
  4. Step 4: Simplify right side
    21,032,365.70x = 437,010,724,819,004.44
  5. Step 5: Solve for x
    x = 437,010,724,819,004.44/21,032,365.70
  6. Step 6: Final answer
    x = 20,778,010.95

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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.