Home / 34,372,424.40-47,432,999.79-18,902,509.08

Finding the Fourth Proportional to 34,372,424.40, 47,432,999.79 and 18,902,509.08

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Solution

The fourth proportional to 34,372,424.40, 47,432,999.79 and 18,902,509.08 is: 26,084,942.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,372,424.40 : 47,432,999.79 = 18,902,509.08 : x
  2. Step 2: Convert to fraction form
    34,372,424.40/47,432,999.79 = 18,902,509.08/x
  3. Step 3: Cross multiply
    34,372,424.40x = 47,432,999.79 × 18,902,509.08
  4. Step 4: Simplify right side
    34,372,424.40x = 896,602,709,222,113
  5. Step 5: Solve for x
    x = 896,602,709,222,113/34,372,424.40
  6. Step 6: Final answer
    x = 26,084,942.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.