Home / 8,378,139.71-12,567,210.27-2,698,364.03

Finding the Fourth Proportional to 8,378,139.71, 12,567,210.27 and 2,698,364.03

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Solution

The fourth proportional to 8,378,139.71, 12,567,210.27 and 2,698,364.03 is: 4,047,546.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,378,139.71 : 12,567,210.27 = 2,698,364.03 : x
  2. Step 2: Convert to fraction form
    8,378,139.71/12,567,210.27 = 2,698,364.03/x
  3. Step 3: Cross multiply
    8,378,139.71x = 12,567,210.27 × 2,698,364.03
  4. Step 4: Simplify right side
    8,378,139.71x = 33,910,908,087,178.54
  5. Step 5: Solve for x
    x = 33,910,908,087,178.54/8,378,139.71
  6. Step 6: Final answer
    x = 4,047,546.27

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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.