Home / 20,197,807.84-30,296,715.60-5,051,740.64

Finding the Fourth Proportional to 20,197,807.84, 30,296,715.60 and 5,051,740.64

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Solution

The fourth proportional to 20,197,807.84, 30,296,715.60 and 5,051,740.64 is: 7,577,611.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,197,807.84 : 30,296,715.60 = 5,051,740.64 : x
  2. Step 2: Convert to fraction form
    20,197,807.84/30,296,715.60 = 5,051,740.64/x
  3. Step 3: Cross multiply
    20,197,807.84x = 30,296,715.60 × 5,051,740.64
  4. Step 4: Simplify right side
    20,197,807.84x = 153,051,149,455,041.97
  5. Step 5: Solve for x
    x = 153,051,149,455,041.97/20,197,807.84
  6. Step 6: Final answer
    x = 7,577,611.92

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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.