Home / 22,930,477.80-31,640,446.44-13,139,038.23

Finding the Fourth Proportional to 22,930,477.80, 31,640,446.44 and 13,139,038.23

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Solution

The fourth proportional to 22,930,477.80, 31,640,446.44 and 13,139,038.23 is: 18,129,802.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,930,477.80 : 31,640,446.44 = 13,139,038.23 : x
  2. Step 2: Convert to fraction form
    22,930,477.80/31,640,446.44 = 13,139,038.23/x
  3. Step 3: Cross multiply
    22,930,477.80x = 31,640,446.44 × 13,139,038.23
  4. Step 4: Simplify right side
    22,930,477.80x = 415,725,035,389,427.44
  5. Step 5: Solve for x
    x = 415,725,035,389,427.44/22,930,477.80
  6. Step 6: Final answer
    x = 18,129,802.57

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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.