Home / 30,570,491.60-45,838,153.90-18,286,724.96

Finding the Fourth Proportional to 30,570,491.60, 45,838,153.90 and 18,286,724.96

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Solution

The fourth proportional to 30,570,491.60, 45,838,153.90 and 18,286,724.96 is: 27,419,569.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,570,491.60 : 45,838,153.90 = 18,286,724.96 : x
  2. Step 2: Convert to fraction form
    30,570,491.60/45,838,153.90 = 18,286,724.96/x
  3. Step 3: Cross multiply
    30,570,491.60x = 45,838,153.90 × 18,286,724.96
  4. Step 4: Simplify right side
    30,570,491.60x = 838,229,713,043,451.38
  5. Step 5: Solve for x
    x = 838,229,713,043,451.38/30,570,491.60
  6. Step 6: Final answer
    x = 27,419,569.30

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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.