Home / 31,589,714.95-47,349,795.07-20,655,395.35

Finding the Fourth Proportional to 31,589,714.95, 47,349,795.07 and 20,655,395.35

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Solution

The fourth proportional to 31,589,714.95, 47,349,795.07 and 20,655,395.35 is: 30,960,353.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,589,714.95 : 47,349,795.07 = 20,655,395.35 : x
  2. Step 2: Convert to fraction form
    31,589,714.95/47,349,795.07 = 20,655,395.35/x
  3. Step 3: Cross multiply
    31,589,714.95x = 47,349,795.07 × 20,655,395.35
  4. Step 4: Simplify right side
    31,589,714.95x = 978,028,736,819,775.62
  5. Step 5: Solve for x
    x = 978,028,736,819,775.62/31,589,714.95
  6. Step 6: Final answer
    x = 30,960,353.34

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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.