Home / 21,411,190.20-29,547,473.46-11,621,641.96

Finding the Fourth Proportional to 21,411,190.20, 29,547,473.46 and 11,621,641.96

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Solution

The fourth proportional to 21,411,190.20, 29,547,473.46 and 11,621,641.96 is: 16,037,882.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,411,190.20 : 29,547,473.46 = 11,621,641.96 : x
  2. Step 2: Convert to fraction form
    21,411,190.20/29,547,473.46 = 11,621,641.96/x
  3. Step 3: Cross multiply
    21,411,190.20x = 29,547,473.46 × 11,621,641.96
  4. Step 4: Simplify right side
    21,411,190.20x = 343,390,157,374,722.44
  5. Step 5: Solve for x
    x = 343,390,157,374,722.44/21,411,190.20
  6. Step 6: Final answer
    x = 16,037,882.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.