Home / 38,896,405.90-53,677,022.41-21,492,598.88

Finding the Fourth Proportional to 38,896,405.90, 53,677,022.41 and 21,492,598.88

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Solution

The fourth proportional to 38,896,405.90, 53,677,022.41 and 21,492,598.88 is: 29,659,776.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,896,405.90 : 53,677,022.41 = 21,492,598.88 : x
  2. Step 2: Convert to fraction form
    38,896,405.90/53,677,022.41 = 21,492,598.88/x
  3. Step 3: Cross multiply
    38,896,405.90x = 53,677,022.41 × 21,492,598.88
  4. Step 4: Simplify right side
    38,896,405.90x = 1,153,658,711,730,900.75
  5. Step 5: Solve for x
    x = 1,153,658,711,730,900.75/38,896,405.90
  6. Step 6: Final answer
    x = 29,659,776.66

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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.