Home / 21,521,493.05-29,698,587.02-12,227,835.53

Finding the Fourth Proportional to 21,521,493.05, 29,698,587.02 and 12,227,835.53

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Solution

The fourth proportional to 21,521,493.05, 29,698,587.02 and 12,227,835.53 is: 16,873,803.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,521,493.05 : 29,698,587.02 = 12,227,835.53 : x
  2. Step 2: Convert to fraction form
    21,521,493.05/29,698,587.02 = 12,227,835.53/x
  3. Step 3: Cross multiply
    21,521,493.05x = 29,698,587.02 × 12,227,835.53
  4. Step 4: Simplify right side
    21,521,493.05x = 363,149,437,658,768.94
  5. Step 5: Solve for x
    x = 363,149,437,658,768.94/21,521,493.05
  6. Step 6: Final answer
    x = 16,873,803.17

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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.