Home / 12,123,509.88-16,730,409.42-6,690,963

Finding the Fourth Proportional to 12,123,509.88, 16,730,409.42 and 6,690,963

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Solution

The fourth proportional to 12,123,509.88, 16,730,409.42 and 6,690,963 is: 9,233,510.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,123,509.88 : 16,730,409.42 = 6,690,963 : x
  2. Step 2: Convert to fraction form
    12,123,509.88/16,730,409.42 = 6,690,963/x
  3. Step 3: Cross multiply
    12,123,509.88x = 16,730,409.42 × 6,690,963
  4. Step 4: Simplify right side
    12,123,509.88x = 111,942,550,404,071.45
  5. Step 5: Solve for x
    x = 111,942,550,404,071.45/12,123,509.88
  6. Step 6: Final answer
    x = 9,233,510.06

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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.