Home / 12,812,010.82-17,680,574.75-7,010,792.39

Finding the Fourth Proportional to 12,812,010.82, 17,680,574.75 and 7,010,792.39

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Solution

The fourth proportional to 12,812,010.82, 17,680,574.75 and 7,010,792.39 is: 9,674,893.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,812,010.82 : 17,680,574.75 = 7,010,792.39 : x
  2. Step 2: Convert to fraction form
    12,812,010.82/17,680,574.75 = 7,010,792.39/x
  3. Step 3: Cross multiply
    12,812,010.82x = 17,680,574.75 × 7,010,792.39
  4. Step 4: Simplify right side
    12,812,010.82x = 123,954,838,956,709.33
  5. Step 5: Solve for x
    x = 123,954,838,956,709.33/12,812,010.82
  6. Step 6: Final answer
    x = 9,674,893.40

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1.5x scale

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.