Home / 23,159,724.48-31,959,802.80-13,369,837.68

Finding the Fourth Proportional to 23,159,724.48, 31,959,802.80 and 13,369,837.68

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Solution

The fourth proportional to 23,159,724.48, 31,959,802.80 and 13,369,837.68 is: 18,450,019.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,159,724.48 : 31,959,802.80 = 13,369,837.68 : x
  2. Step 2: Convert to fraction form
    23,159,724.48/31,959,802.80 = 13,369,837.68/x
  3. Step 3: Cross multiply
    23,159,724.48x = 31,959,802.80 × 13,369,837.68
  4. Step 4: Simplify right side
    23,159,724.48x = 427,297,375,720,809.50
  5. Step 5: Solve for x
    x = 427,297,375,720,809.50/23,159,724.48
  6. Step 6: Final answer
    x = 18,450,019.82

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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.