Home / 15,018,138.90-21,073,224.15-15,018,138.90

Finding the Fourth Proportional to 15,018,138.90, 21,073,224.15 and 15,018,138.90

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Solution

The fourth proportional to 15,018,138.90, 21,073,224.15 and 15,018,138.90 is: 21,073,224.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,018,138.90 : 21,073,224.15 = 15,018,138.90 : x
  2. Step 2: Convert to fraction form
    15,018,138.90/21,073,224.15 = 15,018,138.90/x
  3. Step 3: Cross multiply
    15,018,138.90x = 21,073,224.15 × 15,018,138.90
  4. Step 4: Simplify right side
    15,018,138.90x = 316,480,607,355,534.44
  5. Step 5: Solve for x
    x = 316,480,607,355,534.44/15,018,138.90
  6. Step 6: Final answer
    x = 21,073,224.15

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.