Home / 38,836,165.74-58,263,733.26-12,928,417.02

Finding the Fourth Proportional to 38,836,165.74, 58,263,733.26 and 12,928,417.02

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Solution

The fourth proportional to 38,836,165.74, 58,263,733.26 and 12,928,417.02 is: 19,395,782.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,836,165.74 : 58,263,733.26 = 12,928,417.02 : x
  2. Step 2: Convert to fraction form
    38,836,165.74/58,263,733.26 = 12,928,417.02/x
  3. Step 3: Cross multiply
    38,836,165.74x = 58,263,733.26 × 12,928,417.02
  4. Step 4: Simplify right side
    38,836,165.74x = 753,257,840,727,324
  5. Step 5: Solve for x
    x = 753,257,840,727,324/38,836,165.74
  6. Step 6: Final answer
    x = 19,395,782.94

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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.