Home / 21,046,401.88-28,833,088.08-20,259,534.23

Finding the Fourth Proportional to 21,046,401.88, 28,833,088.08 and 20,259,534.23

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Solution

The fourth proportional to 21,046,401.88, 28,833,088.08 and 20,259,534.23 is: 27,755,097.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,046,401.88 : 28,833,088.08 = 20,259,534.23 : x
  2. Step 2: Convert to fraction form
    21,046,401.88/28,833,088.08 = 20,259,534.23/x
  3. Step 3: Cross multiply
    21,046,401.88x = 28,833,088.08 × 20,259,534.23
  4. Step 4: Simplify right side
    21,046,401.88x = 584,144,935,061,421
  5. Step 5: Solve for x
    x = 584,144,935,061,421/21,046,401.88
  6. Step 6: Final answer
    x = 27,755,097.45

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.