Home / 7,781,505.30-10,738,031.85-4,343,964.12

Finding the Fourth Proportional to 7,781,505.30, 10,738,031.85 and 4,343,964.12

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Solution

The fourth proportional to 7,781,505.30, 10,738,031.85 and 4,343,964.12 is: 5,994,421.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,781,505.30 : 10,738,031.85 = 4,343,964.12 : x
  2. Step 2: Convert to fraction form
    7,781,505.30/10,738,031.85 = 4,343,964.12/x
  3. Step 3: Cross multiply
    7,781,505.30x = 10,738,031.85 × 4,343,964.12
  4. Step 4: Simplify right side
    7,781,505.30x = 46,645,625,075,817.22
  5. Step 5: Solve for x
    x = 46,645,625,075,817.22/7,781,505.30
  6. Step 6: Final answer
    x = 5,994,421.81

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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.