Home / 21,554,426.20-32,331,639.30-13,901,675.80

Finding the Fourth Proportional to 21,554,426.20, 32,331,639.30 and 13,901,675.80

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Solution

The fourth proportional to 21,554,426.20, 32,331,639.30 and 13,901,675.80 is: 20,852,513.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,554,426.20 : 32,331,639.30 = 13,901,675.80 : x
  2. Step 2: Convert to fraction form
    21,554,426.20/32,331,639.30 = 13,901,675.80/x
  3. Step 3: Cross multiply
    21,554,426.20x = 32,331,639.30 × 13,901,675.80
  4. Step 4: Simplify right side
    21,554,426.20x = 449,463,967,631,139
  5. Step 5: Solve for x
    x = 449,463,967,631,139/21,554,426.20
  6. Step 6: Final answer
    x = 20,852,513.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.