Home / 6,618,681.64-9,928,048.38-4,374,320.68

Finding the Fourth Proportional to 6,618,681.64, 9,928,048.38 and 4,374,320.68

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Solution

The fourth proportional to 6,618,681.64, 9,928,048.38 and 4,374,320.68 is: 6,561,498.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,618,681.64 : 9,928,048.38 = 4,374,320.68 : x
  2. Step 2: Convert to fraction form
    6,618,681.64/9,928,048.38 = 4,374,320.68/x
  3. Step 3: Cross multiply
    6,618,681.64x = 9,928,048.38 × 4,374,320.68
  4. Step 4: Simplify right side
    6,618,681.64x = 43,428,467,340,674.50
  5. Step 5: Solve for x
    x = 43,428,467,340,674.50/6,618,681.64
  6. Step 6: Final answer
    x = 6,561,498.15

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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.