Home / 21,938,190.40-32,840,930.40-19,549,403.20

Finding the Fourth Proportional to 21,938,190.40, 32,840,930.40 and 19,549,403.20

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Solution

The fourth proportional to 21,938,190.40, 32,840,930.40 and 19,549,403.20 is: 29,264,974.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,938,190.40 : 32,840,930.40 = 19,549,403.20 : x
  2. Step 2: Convert to fraction form
    21,938,190.40/32,840,930.40 = 19,549,403.20/x
  3. Step 3: Cross multiply
    21,938,190.40x = 32,840,930.40 × 19,549,403.20
  4. Step 4: Simplify right side
    21,938,190.40x = 642,020,589,852,737.25
  5. Step 5: Solve for x
    x = 642,020,589,852,737.25/21,938,190.40
  6. Step 6: Final answer
    x = 29,264,974.83

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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.