Home / 21,791,873.32-30,072,994.14-12,002,539.48

Finding the Fourth Proportional to 21,791,873.32, 30,072,994.14 and 12,002,539.48

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Solution

The fourth proportional to 21,791,873.32, 30,072,994.14 and 12,002,539.48 is: 16,563,619.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,791,873.32 : 30,072,994.14 = 12,002,539.48 : x
  2. Step 2: Convert to fraction form
    21,791,873.32/30,072,994.14 = 12,002,539.48/x
  3. Step 3: Cross multiply
    21,791,873.32x = 30,072,994.14 × 12,002,539.48
  4. Step 4: Simplify right side
    21,791,873.32x = 360,952,299,447,158.69
  5. Step 5: Solve for x
    x = 360,952,299,447,158.69/21,791,873.32
  6. Step 6: Final answer
    x = 16,563,619.57

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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.