Home / 32,894,190-45,414,569.16-21,138,225.84

Finding the Fourth Proportional to 32,894,190, 45,414,569.16 and 21,138,225.84

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Solution

The fourth proportional to 32,894,190, 45,414,569.16 and 21,138,225.84 is: 29,183,981.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,894,190 : 45,414,569.16 = 21,138,225.84 : x
  2. Step 2: Convert to fraction form
    32,894,190/45,414,569.16 = 21,138,225.84/x
  3. Step 3: Cross multiply
    32,894,190x = 45,414,569.16 × 21,138,225.84
  4. Step 4: Simplify right side
    32,894,190x = 959,983,419,330,379
  5. Step 5: Solve for x
    x = 959,983,419,330,379/32,894,190
  6. Step 6: Final answer
    x = 29,183,981.10

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1.5x scale

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.