Home / 12,543,464.48-17,317,401.35-7,901,228.93

Finding the Fourth Proportional to 12,543,464.48, 17,317,401.35 and 7,901,228.93

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Solution

The fourth proportional to 12,543,464.48, 17,317,401.35 and 7,901,228.93 is: 10,908,370.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,543,464.48 : 17,317,401.35 = 7,901,228.93 : x
  2. Step 2: Convert to fraction form
    12,543,464.48/17,317,401.35 = 7,901,228.93/x
  3. Step 3: Cross multiply
    12,543,464.48x = 17,317,401.35 × 7,901,228.93
  4. Step 4: Simplify right side
    12,543,464.48x = 136,828,752,412,947.89
  5. Step 5: Solve for x
    x = 136,828,752,412,947.89/12,543,464.48
  6. Step 6: Final answer
    x = 10,908,370.07

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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.