Home / 21,066,470.11-31,599,705.12-5,920,401.61

Finding the Fourth Proportional to 21,066,470.11, 31,599,705.12 and 5,920,401.61

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Solution

The fourth proportional to 21,066,470.11, 31,599,705.12 and 5,920,401.61 is: 8,880,602.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,066,470.11 : 31,599,705.12 = 5,920,401.61 : x
  2. Step 2: Convert to fraction form
    21,066,470.11/31,599,705.12 = 5,920,401.61/x
  3. Step 3: Cross multiply
    21,066,470.11x = 31,599,705.12 × 5,920,401.61
  4. Step 4: Simplify right side
    21,066,470.11x = 187,082,945,067,973.25
  5. Step 5: Solve for x
    x = 187,082,945,067,973.25/21,066,470.11
  6. Step 6: Final answer
    x = 8,880,602.40

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1.5x scale

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.