Home / 23,181,965.40-34,772,948.10-21,091,776.60

Finding the Fourth Proportional to 23,181,965.40, 34,772,948.10 and 21,091,776.60

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Solution

The fourth proportional to 23,181,965.40, 34,772,948.10 and 21,091,776.60 is: 31,637,664.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,181,965.40 : 34,772,948.10 = 21,091,776.60 : x
  2. Step 2: Convert to fraction form
    23,181,965.40/34,772,948.10 = 21,091,776.60/x
  3. Step 3: Cross multiply
    23,181,965.40x = 34,772,948.10 × 21,091,776.60
  4. Step 4: Simplify right side
    23,181,965.40x = 733,423,253,048,594.50
  5. Step 5: Solve for x
    x = 733,423,253,048,594.50/23,181,965.40
  6. Step 6: Final answer
    x = 31,637,664.90

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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.