Home / 7,158,699.76-10,738,071.74-1,767,350.78

Finding the Fourth Proportional to 7,158,699.76, 10,738,071.74 and 1,767,350.78

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Solution

The fourth proportional to 7,158,699.76, 10,738,071.74 and 1,767,350.78 is: 2,651,031.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,158,699.76 : 10,738,071.74 = 1,767,350.78 : x
  2. Step 2: Convert to fraction form
    7,158,699.76/10,738,071.74 = 1,767,350.78/x
  3. Step 3: Cross multiply
    7,158,699.76x = 10,738,071.74 × 1,767,350.78
  4. Step 4: Simplify right side
    7,158,699.76x = 18,977,939,465,384.96
  5. Step 5: Solve for x
    x = 18,977,939,465,384.96/7,158,699.76
  6. Step 6: Final answer
    x = 2,651,031.63

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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.