Home / 20,678,937.06-31,004,041.44-9,158,126.34

Finding the Fourth Proportional to 20,678,937.06, 31,004,041.44 and 9,158,126.34

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Solution

The fourth proportional to 20,678,937.06, 31,004,041.44 and 9,158,126.34 is: 13,730,828.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,678,937.06 : 31,004,041.44 = 9,158,126.34 : x
  2. Step 2: Convert to fraction form
    20,678,937.06/31,004,041.44 = 9,158,126.34/x
  3. Step 3: Cross multiply
    20,678,937.06x = 31,004,041.44 × 9,158,126.34
  4. Step 4: Simplify right side
    20,678,937.06x = 283,938,928,558,115.56
  5. Step 5: Solve for x
    x = 283,938,928,558,115.56/20,678,937.06
  6. Step 6: Final answer
    x = 13,730,828.03

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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.