Home / 38,839,894.02-53,598,789.84-21,436,238.88

Finding the Fourth Proportional to 38,839,894.02, 53,598,789.84 and 21,436,238.88

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Solution

The fourth proportional to 38,839,894.02, 53,598,789.84 and 21,436,238.88 is: 29,581,864.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,839,894.02 : 53,598,789.84 = 21,436,238.88 : x
  2. Step 2: Convert to fraction form
    38,839,894.02/53,598,789.84 = 21,436,238.88/x
  3. Step 3: Cross multiply
    38,839,894.02x = 53,598,789.84 × 21,436,238.88
  4. Step 4: Simplify right side
    38,839,894.02x = 1,148,956,462,689,157
  5. Step 5: Solve for x
    x = 1,148,956,462,689,157/38,839,894.02
  6. Step 6: Final answer
    x = 29,581,864.00

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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.