Home / 21,713,006.40-29,961,827.98-12,545,452.32

Finding the Fourth Proportional to 21,713,006.40, 29,961,827.98 and 12,545,452.32

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Solution

The fourth proportional to 21,713,006.40, 29,961,827.98 and 12,545,452.32 is: 17,311,498.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,713,006.40 : 29,961,827.98 = 12,545,452.32 : x
  2. Step 2: Convert to fraction form
    21,713,006.40/29,961,827.98 = 12,545,452.32/x
  3. Step 3: Cross multiply
    21,713,006.40x = 29,961,827.98 × 12,545,452.32
  4. Step 4: Simplify right side
    21,713,006.40x = 375,884,684,343,131.94
  5. Step 5: Solve for x
    x = 375,884,684,343,131.94/21,713,006.40
  6. Step 6: Final answer
    x = 17,311,498.80

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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.