Home / 13,767,308.74-18,998,895.76-7,572,826.70

Finding the Fourth Proportional to 13,767,308.74, 18,998,895.76 and 7,572,826.70

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Solution

The fourth proportional to 13,767,308.74, 18,998,895.76 and 7,572,826.70 is: 10,450,506.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,767,308.74 : 18,998,895.76 = 7,572,826.70 : x
  2. Step 2: Convert to fraction form
    13,767,308.74/18,998,895.76 = 7,572,826.70/x
  3. Step 3: Cross multiply
    13,767,308.74x = 18,998,895.76 × 7,572,826.70
  4. Step 4: Simplify right side
    13,767,308.74x = 143,875,345,062,912.72
  5. Step 5: Solve for x
    x = 143,875,345,062,912.72/13,767,308.74
  6. Step 6: Final answer
    x = 10,450,506.18

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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.