Home / 21,809,988.42-30,098,967.63-12,517,484.19

Finding the Fourth Proportional to 21,809,988.42, 30,098,967.63 and 12,517,484.19

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Solution

The fourth proportional to 21,809,988.42, 30,098,967.63 and 12,517,484.19 is: 17,274,807.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,809,988.42 : 30,098,967.63 = 12,517,484.19 : x
  2. Step 2: Convert to fraction form
    21,809,988.42/30,098,967.63 = 12,517,484.19/x
  3. Step 3: Cross multiply
    21,809,988.42x = 30,098,967.63 × 12,517,484.19
  4. Step 4: Simplify right side
    21,809,988.42x = 376,763,351,443,846.75
  5. Step 5: Solve for x
    x = 376,763,351,443,846.75/21,809,988.42
  6. Step 6: Final answer
    x = 17,274,807.50

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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.