Home / 12,797,160.60-17,660,291.58-7,640,972.76

Finding the Fourth Proportional to 12,797,160.60, 17,660,291.58 and 7,640,972.76

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Solution

The fourth proportional to 12,797,160.60, 17,660,291.58 and 7,640,972.76 is: 10,544,667.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,797,160.60 : 17,660,291.58 = 7,640,972.76 : x
  2. Step 2: Convert to fraction form
    12,797,160.60/17,660,291.58 = 7,640,972.76/x
  3. Step 3: Cross multiply
    12,797,160.60x = 17,660,291.58 × 7,640,972.76
  4. Step 4: Simplify right side
    12,797,160.60x = 134,941,806,896,437.34
  5. Step 5: Solve for x
    x = 134,941,806,896,437.34/12,797,160.60
  6. Step 6: Final answer
    x = 10,544,667.77

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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.