Home / 13,241,743.80-19,862,615.70-6,853,954.20

Finding the Fourth Proportional to 13,241,743.80, 19,862,615.70 and 6,853,954.20

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Solution

The fourth proportional to 13,241,743.80, 19,862,615.70 and 6,853,954.20 is: 10,280,931.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,241,743.80 : 19,862,615.70 = 6,853,954.20 : x
  2. Step 2: Convert to fraction form
    13,241,743.80/19,862,615.70 = 6,853,954.20/x
  3. Step 3: Cross multiply
    13,241,743.80x = 19,862,615.70 × 6,853,954.20
  4. Step 4: Simplify right side
    13,241,743.80x = 136,137,458,300,000.94
  5. Step 5: Solve for x
    x = 136,137,458,300,000.94/13,241,743.80
  6. Step 6: Final answer
    x = 10,280,931.30

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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.