Home / 21,575,400.10-32,362,878.21-12,471,705.34

Finding the Fourth Proportional to 21,575,400.10, 32,362,878.21 and 12,471,705.34

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Solution

The fourth proportional to 21,575,400.10, 32,362,878.21 and 12,471,705.34 is: 18,707,429.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,575,400.10 : 32,362,878.21 = 12,471,705.34 : x
  2. Step 2: Convert to fraction form
    21,575,400.10/32,362,878.21 = 12,471,705.34/x
  3. Step 3: Cross multiply
    21,575,400.10x = 32,362,878.21 × 12,471,705.34
  4. Step 4: Simplify right side
    21,575,400.10x = 403,620,280,989,426.62
  5. Step 5: Solve for x
    x = 403,620,280,989,426.62/21,575,400.10
  6. Step 6: Final answer
    x = 18,707,429.72

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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.