Home / 13,353,420.70-20,030,131.05-4,830,681.70

Finding the Fourth Proportional to 13,353,420.70, 20,030,131.05 and 4,830,681.70

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Solution

The fourth proportional to 13,353,420.70, 20,030,131.05 and 4,830,681.70 is: 7,246,022.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,353,420.70 : 20,030,131.05 = 4,830,681.70 : x
  2. Step 2: Convert to fraction form
    13,353,420.70/20,030,131.05 = 4,830,681.70/x
  3. Step 3: Cross multiply
    13,353,420.70x = 20,030,131.05 × 4,830,681.70
  4. Step 4: Simplify right side
    13,353,420.70x = 96,759,187,511,836.80
  5. Step 5: Solve for x
    x = 96,759,187,511,836.80/13,353,420.70
  6. Step 6: Final answer
    x = 7,246,022.55

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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.