Home / 13,139,766.64-18,130,244.66-7,337,655.64

Finding the Fourth Proportional to 13,139,766.64, 18,130,244.66 and 7,337,655.64

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Solution

The fourth proportional to 13,139,766.64, 18,130,244.66 and 7,337,655.64 is: 10,124,494.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,139,766.64 : 18,130,244.66 = 7,337,655.64 : x
  2. Step 2: Convert to fraction form
    13,139,766.64/18,130,244.66 = 7,337,655.64/x
  3. Step 3: Cross multiply
    13,139,766.64x = 18,130,244.66 × 7,337,655.64
  4. Step 4: Simplify right side
    13,139,766.64x = 133,033,491,893,377.66
  5. Step 5: Solve for x
    x = 133,033,491,893,377.66/13,139,766.64
  6. Step 6: Final answer
    x = 10,124,494.26

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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.