Home / 28,231,187.64-42,343,415.04-7,762,986.60

Finding the Fourth Proportional to 28,231,187.64, 42,343,415.04 and 7,762,986.60

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Solution

The fourth proportional to 28,231,187.64, 42,343,415.04 and 7,762,986.60 is: 11,643,554.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,231,187.64 : 42,343,415.04 = 7,762,986.60 : x
  2. Step 2: Convert to fraction form
    28,231,187.64/42,343,415.04 = 7,762,986.60/x
  3. Step 3: Cross multiply
    28,231,187.64x = 42,343,415.04 × 7,762,986.60
  4. Step 4: Simplify right side
    28,231,187.64x = 328,711,363,553,758.44
  5. Step 5: Solve for x
    x = 328,711,363,553,758.44/28,231,187.64
  6. Step 6: Final answer
    x = 11,643,554.20

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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.