Home / 20,111,352.75-30,170,030.76-9,329,743.53

Finding the Fourth Proportional to 20,111,352.75, 30,170,030.76 and 9,329,743.53

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Solution

The fourth proportional to 20,111,352.75, 30,170,030.76 and 9,329,743.53 is: 13,996,007.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,111,352.75 : 30,170,030.76 = 9,329,743.53 : x
  2. Step 2: Convert to fraction form
    20,111,352.75/30,170,030.76 = 9,329,743.53/x
  3. Step 3: Cross multiply
    20,111,352.75x = 30,170,030.76 × 9,329,743.53
  4. Step 4: Simplify right side
    20,111,352.75x = 281,478,649,283,011
  5. Step 5: Solve for x
    x = 281,478,649,283,011/20,111,352.75
  6. Step 6: Final answer
    x = 13,996,007.77

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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.