Home / 18,708,305.10-28,062,457.65-10,646,148.30

Finding the Fourth Proportional to 18,708,305.10, 28,062,457.65 and 10,646,148.30

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Solution

The fourth proportional to 18,708,305.10, 28,062,457.65 and 10,646,148.30 is: 15,969,222.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,708,305.10 : 28,062,457.65 = 10,646,148.30 : x
  2. Step 2: Convert to fraction form
    18,708,305.10/28,062,457.65 = 10,646,148.30/x
  3. Step 3: Cross multiply
    18,708,305.10x = 28,062,457.65 × 10,646,148.30
  4. Step 4: Simplify right side
    18,708,305.10x = 298,757,085,804,369.50
  5. Step 5: Solve for x
    x = 298,757,085,804,369.50/18,708,305.10
  6. Step 6: Final answer
    x = 15,969,222.45

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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.