Home / 21,335,784.15-32,017,673.03-12,237,864.15

Finding the Fourth Proportional to 21,335,784.15, 32,017,673.03 and 12,237,864.15

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Solution

The fourth proportional to 21,335,784.15, 32,017,673.03 and 12,237,864.15 is: 18,364,824.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,335,784.15 : 32,017,673.03 = 12,237,864.15 : x
  2. Step 2: Convert to fraction form
    21,335,784.15/32,017,673.03 = 12,237,864.15/x
  3. Step 3: Cross multiply
    21,335,784.15x = 32,017,673.03 × 12,237,864.15
  4. Step 4: Simplify right side
    21,335,784.15x = 391,827,932,879,069.56
  5. Step 5: Solve for x
    x = 391,827,932,879,069.56/21,335,784.15
  6. Step 6: Final answer
    x = 18,364,824.57

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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.