Home / 19,936,972.80-29,905,459.20-4,790,904.30

Finding the Fourth Proportional to 19,936,972.80, 29,905,459.20 and 4,790,904.30

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Solution

The fourth proportional to 19,936,972.80, 29,905,459.20 and 4,790,904.30 is: 7,186,356.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,936,972.80 : 29,905,459.20 = 4,790,904.30 : x
  2. Step 2: Convert to fraction form
    19,936,972.80/29,905,459.20 = 4,790,904.30/x
  3. Step 3: Cross multiply
    19,936,972.80x = 29,905,459.20 × 4,790,904.30
  4. Step 4: Simplify right side
    19,936,972.80x = 143,274,193,074,754.56
  5. Step 5: Solve for x
    x = 143,274,193,074,754.56/19,936,972.80
  6. Step 6: Final answer
    x = 7,186,356.45

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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.