Home / 7,117,846.24-9,822,636.84-3,854,666.20

Finding the Fourth Proportional to 7,117,846.24, 9,822,636.84 and 3,854,666.20

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Solution

The fourth proportional to 7,117,846.24, 9,822,636.84 and 3,854,666.20 is: 5,319,444.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117,846.24 : 9,822,636.84 = 3,854,666.20 : x
  2. Step 2: Convert to fraction form
    7,117,846.24/9,822,636.84 = 3,854,666.20/x
  3. Step 3: Cross multiply
    7,117,846.24x = 9,822,636.84 × 3,854,666.20
  4. Step 4: Simplify right side
    7,117,846.24x = 37,862,986,222,022.81
  5. Step 5: Solve for x
    x = 37,862,986,222,022.81/7,117,846.24
  6. Step 6: Final answer
    x = 5,319,444.25

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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.