Home / 38,423,404.50-53,024,716.89-21,019,376.04

Finding the Fourth Proportional to 38,423,404.50, 53,024,716.89 and 21,019,376.04

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Solution

The fourth proportional to 38,423,404.50, 53,024,716.89 and 21,019,376.04 is: 29,006,967.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,423,404.50 : 53,024,716.89 = 21,019,376.04 : x
  2. Step 2: Convert to fraction form
    38,423,404.50/53,024,716.89 = 21,019,376.04/x
  3. Step 3: Cross multiply
    38,423,404.50x = 53,024,716.89 × 21,019,376.04
  4. Step 4: Simplify right side
    38,423,404.50x = 1,114,546,463,725,449.25
  5. Step 5: Solve for x
    x = 1,114,546,463,725,449.25/38,423,404.50
  6. Step 6: Final answer
    x = 29,006,967.97

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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.