Home / 21,575,400.60-32,362,878.96-12,471,705.84

Finding the Fourth Proportional to 21,575,400.60, 32,362,878.96 and 12,471,705.84

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Solution

The fourth proportional to 21,575,400.60, 32,362,878.96 and 12,471,705.84 is: 18,707,430.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,575,400.60 : 32,362,878.96 = 12,471,705.84 : x
  2. Step 2: Convert to fraction form
    21,575,400.60/32,362,878.96 = 12,471,705.84/x
  3. Step 3: Cross multiply
    21,575,400.60x = 32,362,878.96 × 12,471,705.84
  4. Step 4: Simplify right side
    21,575,400.60x = 403,620,306,524,645.12
  5. Step 5: Solve for x
    x = 403,620,306,524,645.12/21,575,400.60
  6. Step 6: Final answer
    x = 18,707,430.47

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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.