Home / 40,159,414.08-55,420,588.66-21,824,714.16

Finding the Fourth Proportional to 40,159,414.08, 55,420,588.66 and 21,824,714.16

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Solution

The fourth proportional to 40,159,414.08, 55,420,588.66 and 21,824,714.16 is: 30,118,430.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,159,414.08 : 55,420,588.66 = 21,824,714.16 : x
  2. Step 2: Convert to fraction form
    40,159,414.08/55,420,588.66 = 21,824,714.16/x
  3. Step 3: Cross multiply
    40,159,414.08x = 55,420,588.66 × 21,824,714.16
  4. Step 4: Simplify right side
    40,159,414.08x = 1,209,538,506,083,437.25
  5. Step 5: Solve for x
    x = 1,209,538,506,083,437.25/40,159,414.08
  6. Step 6: Final answer
    x = 30,118,430.11

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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.