Home / 21,533,554.95-29,711,196.83-12,240,395.66

Finding the Fourth Proportional to 21,533,554.95, 29,711,196.83 and 12,240,395.66

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Solution

The fourth proportional to 21,533,554.95, 29,711,196.83 and 12,240,395.66 is: 16,888,841.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,533,554.95 : 29,711,196.83 = 12,240,395.66 : x
  2. Step 2: Convert to fraction form
    21,533,554.95/29,711,196.83 = 12,240,395.66/x
  3. Step 3: Cross multiply
    21,533,554.95x = 29,711,196.83 × 12,240,395.66
  4. Step 4: Simplify right side
    21,533,554.95x = 363,676,804,521,579.75
  5. Step 5: Solve for x
    x = 363,676,804,521,579.75/21,533,554.95
  6. Step 6: Final answer
    x = 16,888,841.87

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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.