Home / 28,195,102.79-42,292,687.19-7,724,996.22

Finding the Fourth Proportional to 28,195,102.79, 42,292,687.19 and 7,724,996.22

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Solution

The fourth proportional to 28,195,102.79, 42,292,687.19 and 7,724,996.22 is: 11,587,503.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,195,102.79 : 42,292,687.19 = 7,724,996.22 : x
  2. Step 2: Convert to fraction form
    28,195,102.79/42,292,687.19 = 7,724,996.22/x
  3. Step 3: Cross multiply
    28,195,102.79x = 42,292,687.19 × 7,724,996.22
  4. Step 4: Simplify right side
    28,195,102.79x = 326,710,848,637,767.44
  5. Step 5: Solve for x
    x = 326,710,848,637,767.44/28,195,102.79
  6. Step 6: Final answer
    x = 11,587,503.37

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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.