Home / 28,371,401.40-42,557,102.10-11,334,703.80

Finding the Fourth Proportional to 28,371,401.40, 42,557,102.10 and 11,334,703.80

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Solution

The fourth proportional to 28,371,401.40, 42,557,102.10 and 11,334,703.80 is: 17,002,055.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,371,401.40 : 42,557,102.10 = 11,334,703.80 : x
  2. Step 2: Convert to fraction form
    28,371,401.40/42,557,102.10 = 11,334,703.80/x
  3. Step 3: Cross multiply
    28,371,401.40x = 42,557,102.10 × 11,334,703.80
  4. Step 4: Simplify right side
    28,371,401.40x = 482,372,146,889,858
  5. Step 5: Solve for x
    x = 482,372,146,889,858/28,371,401.40
  6. Step 6: Final answer
    x = 17,002,055.70

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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.