Home / 15,783,254.20-21,761,190.93-12,066,691.01

Finding the Fourth Proportional to 15,783,254.20, 21,761,190.93 and 12,066,691.01

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Solution

The fourth proportional to 15,783,254.20, 21,761,190.93 and 12,066,691.01 is: 16,636,972.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,783,254.20 : 21,761,190.93 = 12,066,691.01 : x
  2. Step 2: Convert to fraction form
    15,783,254.20/21,761,190.93 = 12,066,691.01/x
  3. Step 3: Cross multiply
    15,783,254.20x = 21,761,190.93 × 12,066,691.01
  4. Step 4: Simplify right side
    15,783,254.20x = 262,585,566,898,368.69
  5. Step 5: Solve for x
    x = 262,585,566,898,368.69/15,783,254.20
  6. Step 6: Final answer
    x = 16,636,972.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.