Home / 12,890,952.92-17,789,634.18-7,010,643.02

Finding the Fourth Proportional to 12,890,952.92, 17,789,634.18 and 7,010,643.02

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Solution

The fourth proportional to 12,890,952.92, 17,789,634.18 and 7,010,643.02 is: 9,674,752.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,890,952.92 : 17,789,634.18 = 7,010,643.02 : x
  2. Step 2: Convert to fraction form
    12,890,952.92/17,789,634.18 = 7,010,643.02/x
  3. Step 3: Cross multiply
    12,890,952.92x = 17,789,634.18 × 7,010,643.02
  4. Step 4: Simplify right side
    12,890,952.92x = 124,716,774,692,370.41
  5. Step 5: Solve for x
    x = 124,716,774,692,370.41/12,890,952.92
  6. Step 6: Final answer
    x = 9,674,752.17

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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.