Home / 38,459,601.17-53,074,405.12-21,057,565.63

Finding the Fourth Proportional to 38,459,601.17, 53,074,405.12 and 21,057,565.63

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Solution

The fourth proportional to 38,459,601.17, 53,074,405.12 and 21,057,565.63 is: 29,059,525.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,459,601.17 : 53,074,405.12 = 21,057,565.63 : x
  2. Step 2: Convert to fraction form
    38,459,601.17/53,074,405.12 = 21,057,565.63/x
  3. Step 3: Cross multiply
    38,459,601.17x = 53,074,405.12 × 21,057,565.63
  4. Step 4: Simplify right side
    38,459,601.17x = 1,117,617,769,087,607.88
  5. Step 5: Solve for x
    x = 1,117,617,769,087,607.88/38,459,601.17
  6. Step 6: Final answer
    x = 29,059,525.71

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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.