Home / 15,152,403.96-20,909,787.66-9,037,668.60

Finding the Fourth Proportional to 15,152,403.96, 20,909,787.66 and 9,037,668.60

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Solution

The fourth proportional to 15,152,403.96, 20,909,787.66 and 9,037,668.60 is: 12,471,666.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,152,403.96 : 20,909,787.66 = 9,037,668.60 : x
  2. Step 2: Convert to fraction form
    15,152,403.96/20,909,787.66 = 9,037,668.60/x
  3. Step 3: Cross multiply
    15,152,403.96x = 20,909,787.66 × 9,037,668.60
  4. Step 4: Simplify right side
    15,152,403.96x = 188,975,731,367,449.47
  5. Step 5: Solve for x
    x = 188,975,731,367,449.47/15,152,403.96
  6. Step 6: Final answer
    x = 12,471,666.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.