Home / 7,701,651.72-10,627,856.64-4,216,315.68

Finding the Fourth Proportional to 7,701,651.72, 10,627,856.64 and 4,216,315.68

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Solution

The fourth proportional to 7,701,651.72, 10,627,856.64 and 4,216,315.68 is: 5,818,284.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,701,651.72 : 10,627,856.64 = 4,216,315.68 : x
  2. Step 2: Convert to fraction form
    7,701,651.72/10,627,856.64 = 4,216,315.68/x
  3. Step 3: Cross multiply
    7,701,651.72x = 10,627,856.64 × 4,216,315.68
  4. Step 4: Simplify right side
    7,701,651.72x = 44,810,398,596,024.12
  5. Step 5: Solve for x
    x = 44,810,398,596,024.12/7,701,651.72
  6. Step 6: Final answer
    x = 5,818,284.21

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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.