Home / 38,539,293.18-57,808,983.51-12,978,162.06

Finding the Fourth Proportional to 38,539,293.18, 57,808,983.51 and 12,978,162.06

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Solution

The fourth proportional to 38,539,293.18, 57,808,983.51 and 12,978,162.06 is: 19,467,257.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,539,293.18 : 57,808,983.51 = 12,978,162.06 : x
  2. Step 2: Convert to fraction form
    38,539,293.18/57,808,983.51 = 12,978,162.06/x
  3. Step 3: Cross multiply
    38,539,293.18x = 57,808,983.51 × 12,978,162.06
  4. Step 4: Simplify right side
    38,539,293.18x = 750,254,356,516,647.62
  5. Step 5: Solve for x
    x = 750,254,356,516,647.62/38,539,293.18
  6. Step 6: Final answer
    x = 19,467,257.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.