Home / 28,145,434.79-38,820,677.09-25,829,805.02

Finding the Fourth Proportional to 28,145,434.79, 38,820,677.09 and 25,829,805.02

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Solution

The fourth proportional to 28,145,434.79, 38,820,677.09 and 25,829,805.02 is: 35,626,755.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,145,434.79 : 38,820,677.09 = 25,829,805.02 : x
  2. Step 2: Convert to fraction form
    28,145,434.79/38,820,677.09 = 25,829,805.02/x
  3. Step 3: Cross multiply
    28,145,434.79x = 38,820,677.09 × 25,829,805.02
  4. Step 4: Simplify right side
    28,145,434.79x = 1,002,730,519,655,828.62
  5. Step 5: Solve for x
    x = 1,002,730,519,655,828.62/28,145,434.79
  6. Step 6: Final answer
    x = 35,626,755.36

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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.