Home / 31,065,871.05-42,870,949.26-17,314,539.93

Finding the Fourth Proportional to 31,065,871.05, 42,870,949.26 and 17,314,539.93

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Solution

The fourth proportional to 31,065,871.05, 42,870,949.26 and 17,314,539.93 is: 23,894,091.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,065,871.05 : 42,870,949.26 = 17,314,539.93 : x
  2. Step 2: Convert to fraction form
    31,065,871.05/42,870,949.26 = 17,314,539.93/x
  3. Step 3: Cross multiply
    31,065,871.05x = 42,870,949.26 × 17,314,539.93
  4. Step 4: Simplify right side
    31,065,871.05x = 742,290,762,799,273.88
  5. Step 5: Solve for x
    x = 742,290,762,799,273.88/31,065,871.05
  6. Step 6: Final answer
    x = 23,894,091.42

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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.