Home / 21,870,096.48-29,918,446.92-21,777,981.12

Finding the Fourth Proportional to 21,870,096.48, 29,918,446.92 and 21,777,981.12

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Solution

The fourth proportional to 21,870,096.48, 29,918,446.92 and 21,777,981.12 is: 29,792,432.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,870,096.48 : 29,918,446.92 = 21,777,981.12 : x
  2. Step 2: Convert to fraction form
    21,870,096.48/29,918,446.92 = 21,777,981.12/x
  3. Step 3: Cross multiply
    21,870,096.48x = 29,918,446.92 × 21,777,981.12
  4. Step 4: Simplify right side
    21,870,096.48x = 651,563,372,163,482.25
  5. Step 5: Solve for x
    x = 651,563,372,163,482.25/21,870,096.48
  6. Step 6: Final answer
    x = 29,792,432.45

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.