Home / 7,139,340.23-10,708,805.98-2,021,758.02

Finding the Fourth Proportional to 7,139,340.23, 10,708,805.98 and 2,021,758.02

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Solution

The fourth proportional to 7,139,340.23, 10,708,805.98 and 2,021,758.02 is: 3,032,579.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,139,340.23 : 10,708,805.98 = 2,021,758.02 : x
  2. Step 2: Convert to fraction form
    7,139,340.23/10,708,805.98 = 2,021,758.02/x
  3. Step 3: Cross multiply
    7,139,340.23x = 10,708,805.98 × 2,021,758.02
  4. Step 4: Simplify right side
    7,139,340.23x = 21,650,614,395,962.29
  5. Step 5: Solve for x
    x = 21,650,614,395,962.29/7,139,340.23
  6. Step 6: Final answer
    x = 3,032,579.16

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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.