Home / 21,090,111.36-31,623,784.92-9,569,291.82

Finding the Fourth Proportional to 21,090,111.36, 31,623,784.92 and 9,569,291.82

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Solution

The fourth proportional to 21,090,111.36, 31,623,784.92 and 9,569,291.82 is: 14,348,773.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,090,111.36 : 31,623,784.92 = 9,569,291.82 : x
  2. Step 2: Convert to fraction form
    21,090,111.36/31,623,784.92 = 9,569,291.82/x
  3. Step 3: Cross multiply
    21,090,111.36x = 31,623,784.92 × 9,569,291.82
  4. Step 4: Simplify right side
    21,090,111.36x = 302,617,226,352,395.38
  5. Step 5: Solve for x
    x = 302,617,226,352,395.38/21,090,111.36
  6. Step 6: Final answer
    x = 14,348,773.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.