Home / 12,359,397.60-18,539,096.40-3,839,666.40

Finding the Fourth Proportional to 12,359,397.60, 18,539,096.40 and 3,839,666.40

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Solution

The fourth proportional to 12,359,397.60, 18,539,096.40 and 3,839,666.40 is: 5,759,499.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,359,397.60 : 18,539,096.40 = 3,839,666.40 : x
  2. Step 2: Convert to fraction form
    12,359,397.60/18,539,096.40 = 3,839,666.40/x
  3. Step 3: Cross multiply
    12,359,397.60x = 18,539,096.40 × 3,839,666.40
  4. Step 4: Simplify right side
    12,359,397.60x = 71,183,945,533,440.95
  5. Step 5: Solve for x
    x = 71,183,945,533,440.95/12,359,397.60
  6. Step 6: Final answer
    x = 5,759,499.60

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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.