Home / 18,690,999.84-25,805,256.48-14,331,711.60

Finding the Fourth Proportional to 18,690,999.84, 25,805,256.48 and 14,331,711.60

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Solution

The fourth proportional to 18,690,999.84, 25,805,256.48 and 14,331,711.60 is: 19,786,715.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,690,999.84 : 25,805,256.48 = 14,331,711.60 : x
  2. Step 2: Convert to fraction form
    18,690,999.84/25,805,256.48 = 14,331,711.60/x
  3. Step 3: Cross multiply
    18,690,999.84x = 25,805,256.48 × 14,331,711.60
  4. Step 4: Simplify right side
    18,690,999.84x = 369,833,493,635,391.19
  5. Step 5: Solve for x
    x = 369,833,493,635,391.19/18,690,999.84
  6. Step 6: Final answer
    x = 19,786,715.36

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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.