Home / 12,195,999.59-16,830,503.49-6,689,419.27

Finding the Fourth Proportional to 12,195,999.59, 16,830,503.49 and 6,689,419.27

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Solution

The fourth proportional to 12,195,999.59, 16,830,503.49 and 6,689,419.27 is: 9,231,411.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,195,999.59 : 16,830,503.49 = 6,689,419.27 : x
  2. Step 2: Convert to fraction form
    12,195,999.59/16,830,503.49 = 6,689,419.27/x
  3. Step 3: Cross multiply
    12,195,999.59x = 16,830,503.49 × 6,689,419.27
  4. Step 4: Simplify right side
    12,195,999.59x = 112,586,294,369,808.23
  5. Step 5: Solve for x
    x = 112,586,294,369,808.23/12,195,999.59
  6. Step 6: Final answer
    x = 9,231,411.79

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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.