Home / 19,655,999.20-29,483,998.80-12,853,554.40

Finding the Fourth Proportional to 19,655,999.20, 29,483,998.80 and 12,853,554.40

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Solution

The fourth proportional to 19,655,999.20, 29,483,998.80 and 12,853,554.40 is: 19,280,331.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,655,999.20 : 29,483,998.80 = 12,853,554.40 : x
  2. Step 2: Convert to fraction form
    19,655,999.20/29,483,998.80 = 12,853,554.40/x
  3. Step 3: Cross multiply
    19,655,999.20x = 29,483,998.80 × 12,853,554.40
  4. Step 4: Simplify right side
    19,655,999.20x = 378,974,182,505,334.75
  5. Step 5: Solve for x
    x = 378,974,182,505,334.75/19,655,999.20
  6. Step 6: Final answer
    x = 19,280,331.60

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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.