Home / 7,019,057.70-10,519,729.20-3,417,068.70

Finding the Fourth Proportional to 7,019,057.70, 10,519,729.20 and 3,417,068.70

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Solution

The fourth proportional to 7,019,057.70, 10,519,729.20 and 3,417,068.70 is: 5,121,291.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,019,057.70 : 10,519,729.20 = 3,417,068.70 : x
  2. Step 2: Convert to fraction form
    7,019,057.70/10,519,729.20 = 3,417,068.70/x
  3. Step 3: Cross multiply
    7,019,057.70x = 10,519,729.20 × 3,417,068.70
  4. Step 4: Simplify right side
    7,019,057.70x = 35,946,637,381,796.04
  5. Step 5: Solve for x
    x = 35,946,637,381,796.04/7,019,057.70
  6. Step 6: Final answer
    x = 5,121,291.05

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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.