Home / 8,174,340.81-12,261,528.43-7,674,931.60

Finding the Fourth Proportional to 8,174,340.81, 12,261,528.43 and 7,674,931.60

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Solution

The fourth proportional to 8,174,340.81, 12,261,528.43 and 7,674,931.60 is: 11,512,413.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,174,340.81 : 12,261,528.43 = 7,674,931.60 : x
  2. Step 2: Convert to fraction form
    8,174,340.81/12,261,528.43 = 7,674,931.60/x
  3. Step 3: Cross multiply
    8,174,340.81x = 12,261,528.43 × 7,674,931.60
  4. Step 4: Simplify right side
    8,174,340.81x = 94,106,392,011,705.38
  5. Step 5: Solve for x
    x = 94,106,392,011,705.38/8,174,340.81
  6. Step 6: Final answer
    x = 11,512,413.56

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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.