Home / 28,231,185.64-42,343,412.04-7,762,984.60

Finding the Fourth Proportional to 28,231,185.64, 42,343,412.04 and 7,762,984.60

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Solution

The fourth proportional to 28,231,185.64, 42,343,412.04 and 7,762,984.60 is: 11,643,551.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,231,185.64 : 42,343,412.04 = 7,762,984.60 : x
  2. Step 2: Convert to fraction form
    28,231,185.64/42,343,412.04 = 7,762,984.60/x
  3. Step 3: Cross multiply
    28,231,185.64x = 42,343,412.04 × 7,762,984.60
  4. Step 4: Simplify right side
    28,231,185.64x = 328,711,255,577,974.56
  5. Step 5: Solve for x
    x = 328,711,255,577,974.56/28,231,185.64
  6. Step 6: Final answer
    x = 11,643,551.21

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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.