Home / 19,995,380.40-29,993,070.60-18,436,486.80

Finding the Fourth Proportional to 19,995,380.40, 29,993,070.60 and 18,436,486.80

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Solution

The fourth proportional to 19,995,380.40, 29,993,070.60 and 18,436,486.80 is: 27,654,730.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,995,380.40 : 29,993,070.60 = 18,436,486.80 : x
  2. Step 2: Convert to fraction form
    19,995,380.40/29,993,070.60 = 18,436,486.80/x
  3. Step 3: Cross multiply
    19,995,380.40x = 29,993,070.60 × 18,436,486.80
  4. Step 4: Simplify right side
    19,995,380.40x = 552,966,850,208,368.12
  5. Step 5: Solve for x
    x = 552,966,850,208,368.12/19,995,380.40
  6. Step 6: Final answer
    x = 27,654,730.20

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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.