Home / 28,243,510.60-42,365,265.90-7,773,190.60

Finding the Fourth Proportional to 28,243,510.60, 42,365,265.90 and 7,773,190.60

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Solution

The fourth proportional to 28,243,510.60, 42,365,265.90 and 7,773,190.60 is: 11,659,785.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,243,510.60 : 42,365,265.90 = 7,773,190.60 : x
  2. Step 2: Convert to fraction form
    28,243,510.60/42,365,265.90 = 7,773,190.60/x
  3. Step 3: Cross multiply
    28,243,510.60x = 42,365,265.90 × 7,773,190.60
  4. Step 4: Simplify right side
    28,243,510.60x = 329,313,286,660,380.50
  5. Step 5: Solve for x
    x = 329,313,286,660,380.50/28,243,510.60
  6. Step 6: Final answer
    x = 11,659,785.90

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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.