Home / 20,219,461.60-30,329,192.40-18,203,922.40

Finding the Fourth Proportional to 20,219,461.60, 30,329,192.40 and 18,203,922.40

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Solution

The fourth proportional to 20,219,461.60, 30,329,192.40 and 18,203,922.40 is: 27,305,883.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,219,461.60 : 30,329,192.40 = 18,203,922.40 : x
  2. Step 2: Convert to fraction form
    20,219,461.60/30,329,192.40 = 18,203,922.40/x
  3. Step 3: Cross multiply
    20,219,461.60x = 30,329,192.40 × 18,203,922.40
  4. Step 4: Simplify right side
    20,219,461.60x = 552,110,264,904,269.69
  5. Step 5: Solve for x
    x = 552,110,264,904,269.69/20,219,461.60
  6. Step 6: Final answer
    x = 27,305,883.60

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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.