Home / 31,065,869.72-42,870,947.46-17,314,538.60

Finding the Fourth Proportional to 31,065,869.72, 42,870,947.46 and 17,314,538.60

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Solution

The fourth proportional to 31,065,869.72, 42,870,947.46 and 17,314,538.60 is: 23,894,089.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,065,869.72 : 42,870,947.46 = 17,314,538.60 : x
  2. Step 2: Convert to fraction form
    31,065,869.72/42,870,947.46 = 17,314,538.60/x
  3. Step 3: Cross multiply
    31,065,869.72x = 42,870,947.46 × 17,314,538.60
  4. Step 4: Simplify right side
    31,065,869.72x = 742,290,674,656,989.75
  5. Step 5: Solve for x
    x = 742,290,674,656,989.75/31,065,869.72
  6. Step 6: Final answer
    x = 23,894,089.60

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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.