Home / 19,220,999.80-28,831,499.70-18,549,153.40

Finding the Fourth Proportional to 19,220,999.80, 28,831,499.70 and 18,549,153.40

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Solution

The fourth proportional to 19,220,999.80, 28,831,499.70 and 18,549,153.40 is: 27,823,730.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,220,999.80 : 28,831,499.70 = 18,549,153.40 : x
  2. Step 2: Convert to fraction form
    19,220,999.80/28,831,499.70 = 18,549,153.40/x
  3. Step 3: Cross multiply
    19,220,999.80x = 28,831,499.70 × 18,549,153.40
  4. Step 4: Simplify right side
    19,220,999.80x = 534,799,910,687,353.94
  5. Step 5: Solve for x
    x = 534,799,910,687,353.94/19,220,999.80
  6. Step 6: Final answer
    x = 27,823,730.10

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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.