Home / 21,464,431.52-29,618,225.20-14,510,239.90

Finding the Fourth Proportional to 21,464,431.52, 29,618,225.20 and 14,510,239.90

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Solution

The fourth proportional to 21,464,431.52, 29,618,225.20 and 14,510,239.90 is: 20,022,312.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,464,431.52 : 29,618,225.20 = 14,510,239.90 : x
  2. Step 2: Convert to fraction form
    21,464,431.52/29,618,225.20 = 14,510,239.90/x
  3. Step 3: Cross multiply
    21,464,431.52x = 29,618,225.20 × 14,510,239.90
  4. Step 4: Simplify right side
    21,464,431.52x = 429,767,553,008,317.75
  5. Step 5: Solve for x
    x = 429,767,553,008,317.75/21,464,431.52
  6. Step 6: Final answer
    x = 20,022,312.39

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1.5x scale

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.