Home / 26,644,801.12-36,771,961.84-21,183,248.40

Finding the Fourth Proportional to 26,644,801.12, 36,771,961.84 and 21,183,248.40

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Solution

The fourth proportional to 26,644,801.12, 36,771,961.84 and 21,183,248.40 is: 29,234,581.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,644,801.12 : 36,771,961.84 = 21,183,248.40 : x
  2. Step 2: Convert to fraction form
    26,644,801.12/36,771,961.84 = 21,183,248.40/x
  3. Step 3: Cross multiply
    26,644,801.12x = 36,771,961.84 × 21,183,248.40
  4. Step 4: Simplify right side
    26,644,801.12x = 778,949,601,812,041.12
  5. Step 5: Solve for x
    x = 778,949,601,812,041.12/26,644,801.12
  6. Step 6: Final answer
    x = 29,234,581.20

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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.