Home / 19,231,702.20-28,823,058.90-7,859,302.20

Finding the Fourth Proportional to 19,231,702.20, 28,823,058.90 and 7,859,302.20

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Solution

The fourth proportional to 19,231,702.20, 28,823,058.90 and 7,859,302.20 is: 11,778,943.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,231,702.20 : 28,823,058.90 = 7,859,302.20 : x
  2. Step 2: Convert to fraction form
    19,231,702.20/28,823,058.90 = 7,859,302.20/x
  3. Step 3: Cross multiply
    19,231,702.20x = 28,823,058.90 × 7,859,302.20
  4. Step 4: Simplify right side
    19,231,702.20x = 226,529,130,223,499.56
  5. Step 5: Solve for x
    x = 226,529,130,223,499.56/19,231,702.20
  6. Step 6: Final answer
    x = 11,778,943.32

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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.