Home / 21,514,072-29,689,420.04-11,856,280

Finding the Fourth Proportional to 21,514,072, 29,689,420.04 and 11,856,280

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Solution

The fourth proportional to 21,514,072, 29,689,420.04 and 11,856,280 is: 16,361,666.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,514,072 : 29,689,420.04 = 11,856,280 : x
  2. Step 2: Convert to fraction form
    21,514,072/29,689,420.04 = 11,856,280/x
  3. Step 3: Cross multiply
    21,514,072x = 29,689,420.04 × 11,856,280
  4. Step 4: Simplify right side
    21,514,072x = 352,006,077,031,851.19
  5. Step 5: Solve for x
    x = 352,006,077,031,851.19/21,514,072
  6. Step 6: Final answer
    x = 16,361,666.77

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.