Home / 21,463,909.61-29,617,506.79-14,509,718.10

Finding the Fourth Proportional to 21,463,909.61, 29,617,506.79 and 14,509,718.10

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Solution

The fourth proportional to 21,463,909.61, 29,617,506.79 and 14,509,718.10 is: 20,021,593.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,463,909.61 : 29,617,506.79 = 14,509,718.10 : x
  2. Step 2: Convert to fraction form
    21,463,909.61/29,617,506.79 = 14,509,718.10/x
  3. Step 3: Cross multiply
    21,463,909.61x = 29,617,506.79 × 14,509,718.10
  4. Step 4: Simplify right side
    21,463,909.61x = 429,741,674,311,461.62
  5. Step 5: Solve for x
    x = 429,741,674,311,461.62/21,463,909.61
  6. Step 6: Final answer
    x = 20,021,593.56

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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.