Home / 7,721,987.58-10,661,334.72-4,784,921.40

Finding the Fourth Proportional to 7,721,987.58, 10,661,334.72 and 4,784,921.40

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Solution

The fourth proportional to 7,721,987.58, 10,661,334.72 and 4,784,921.40 is: 6,606,284.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,721,987.58 : 10,661,334.72 = 4,784,921.40 : x
  2. Step 2: Convert to fraction form
    7,721,987.58/10,661,334.72 = 4,784,921.40/x
  3. Step 3: Cross multiply
    7,721,987.58x = 10,661,334.72 × 4,784,921.40
  4. Step 4: Simplify right side
    7,721,987.58x = 51,013,648,654,291.02
  5. Step 5: Solve for x
    x = 51,013,648,654,291.02/7,721,987.58
  6. Step 6: Final answer
    x = 6,606,284.73

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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.