Home / 20,232,139.70-30,334,018.35-7,450,987.70

Finding the Fourth Proportional to 20,232,139.70, 30,334,018.35 and 7,450,987.70

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Solution

The fourth proportional to 20,232,139.70, 30,334,018.35 and 7,450,987.70 is: 11,171,255.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,232,139.70 : 30,334,018.35 = 7,450,987.70 : x
  2. Step 2: Convert to fraction form
    20,232,139.70/30,334,018.35 = 7,450,987.70/x
  3. Step 3: Cross multiply
    20,232,139.70x = 30,334,018.35 × 7,450,987.70
  4. Step 4: Simplify right side
    20,232,139.70x = 226,018,397,617,424.31
  5. Step 5: Solve for x
    x = 226,018,397,617,424.31/20,232,139.70
  6. Step 6: Final answer
    x = 11,171,255.29

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1.5x scale

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.