Home / 21,078,722.04-31,593,685.84-9,695,280.12

Finding the Fourth Proportional to 21,078,722.04, 31,593,685.84 and 9,695,280.12

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Solution

The fourth proportional to 21,078,722.04, 31,593,685.84 and 9,695,280.12 is: 14,531,698.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,078,722.04 : 31,593,685.84 = 9,695,280.12 : x
  2. Step 2: Convert to fraction form
    21,078,722.04/31,593,685.84 = 9,695,280.12/x
  3. Step 3: Cross multiply
    21,078,722.04x = 31,593,685.84 × 9,695,280.12
  4. Step 4: Simplify right side
    21,078,722.04x = 306,309,634,242,077.50
  5. Step 5: Solve for x
    x = 306,309,634,242,077.50/21,078,722.04
  6. Step 6: Final answer
    x = 14,531,698.54

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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.