Home / 26,306,074.60-39,421,787.10-19,428,980.20

Finding the Fourth Proportional to 26,306,074.60, 39,421,787.10 and 19,428,980.20

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Solution

The fourth proportional to 26,306,074.60, 39,421,787.10 and 19,428,980.20 is: 29,115,903.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,306,074.60 : 39,421,787.10 = 19,428,980.20 : x
  2. Step 2: Convert to fraction form
    26,306,074.60/39,421,787.10 = 19,428,980.20/x
  3. Step 3: Cross multiply
    26,306,074.60x = 39,421,787.10 × 19,428,980.20
  4. Step 4: Simplify right side
    26,306,074.60x = 765,925,121,014,515.38
  5. Step 5: Solve for x
    x = 765,925,121,014,515.38/26,306,074.60
  6. Step 6: Final answer
    x = 29,115,903.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.