Home / 18,902,735.51-28,356,296.08-6,602,890.33

Finding the Fourth Proportional to 18,902,735.51, 28,356,296.08 and 6,602,890.33

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Solution

The fourth proportional to 18,902,735.51, 28,356,296.08 and 6,602,890.33 is: 9,905,101.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,902,735.51 : 28,356,296.08 = 6,602,890.33 : x
  2. Step 2: Convert to fraction form
    18,902,735.51/28,356,296.08 = 6,602,890.33/x
  3. Step 3: Cross multiply
    18,902,735.51x = 28,356,296.08 × 6,602,890.33
  4. Step 4: Simplify right side
    18,902,735.51x = 187,233,513,181,248.91
  5. Step 5: Solve for x
    x = 187,233,513,181,248.91/18,902,735.51
  6. Step 6: Final answer
    x = 9,905,101.46

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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.