Home / 20,063,510.80-30,104,597.40-10,489,699.60

Finding the Fourth Proportional to 20,063,510.80, 30,104,597.40 and 10,489,699.60

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Solution

The fourth proportional to 20,063,510.80, 30,104,597.40 and 10,489,699.60 is: 15,739,427.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,063,510.80 : 30,104,597.40 = 10,489,699.60 : x
  2. Step 2: Convert to fraction form
    20,063,510.80/30,104,597.40 = 10,489,699.60/x
  3. Step 3: Cross multiply
    20,063,510.80x = 30,104,597.40 × 10,489,699.60
  4. Step 4: Simplify right side
    20,063,510.80x = 315,788,183,304,941
  5. Step 5: Solve for x
    x = 315,788,183,304,941/20,063,510.80
  6. Step 6: Final answer
    x = 15,739,427.98

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1.5x scale

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.