Home / 38,423,364.06-53,024,660.94-21,019,335.60

Finding the Fourth Proportional to 38,423,364.06, 53,024,660.94 and 21,019,335.60

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Solution

The fourth proportional to 38,423,364.06, 53,024,660.94 and 21,019,335.60 is: 29,006,912.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,423,364.06 : 53,024,660.94 = 21,019,335.60 : x
  2. Step 2: Convert to fraction form
    38,423,364.06/53,024,660.94 = 21,019,335.60/x
  3. Step 3: Cross multiply
    38,423,364.06x = 53,024,660.94 × 21,019,335.60
  4. Step 4: Simplify right side
    38,423,364.06x = 1,114,543,143,374,071.50
  5. Step 5: Solve for x
    x = 1,114,543,143,374,071.50/38,423,364.06
  6. Step 6: Final answer
    x = 29,006,912.09

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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.