Home / 13,902,871.80-20,854,307.70-13,336,001.40

Finding the Fourth Proportional to 13,902,871.80, 20,854,307.70 and 13,336,001.40

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Solution

The fourth proportional to 13,902,871.80, 20,854,307.70 and 13,336,001.40 is: 20,004,002.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,902,871.80 : 20,854,307.70 = 13,336,001.40 : x
  2. Step 2: Convert to fraction form
    13,902,871.80/20,854,307.70 = 13,336,001.40/x
  3. Step 3: Cross multiply
    13,902,871.80x = 20,854,307.70 × 13,336,001.40
  4. Step 4: Simplify right side
    13,902,871.80x = 278,113,076,683,230.78
  5. Step 5: Solve for x
    x = 278,113,076,683,230.78/13,902,871.80
  6. Step 6: Final answer
    x = 20,004,002.10

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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.