Home / 12,895,724.34-17,796,215.16-7,015,486.68

Finding the Fourth Proportional to 12,895,724.34, 17,796,215.16 and 7,015,486.68

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Solution

The fourth proportional to 12,895,724.34, 17,796,215.16 and 7,015,486.68 is: 9,681,434.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,895,724.34 : 17,796,215.16 = 7,015,486.68 : x
  2. Step 2: Convert to fraction form
    12,895,724.34/17,796,215.16 = 7,015,486.68/x
  3. Step 3: Cross multiply
    12,895,724.34x = 17,796,215.16 × 7,015,486.68
  4. Step 4: Simplify right side
    12,895,724.34x = 124,849,110,409,394.06
  5. Step 5: Solve for x
    x = 124,849,110,409,394.06/12,895,724.34
  6. Step 6: Final answer
    x = 9,681,434.49

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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.