Home / 17,712,947.36-26,472,372.44-12,930,707.36

Finding the Fourth Proportional to 17,712,947.36, 26,472,372.44 and 12,930,707.36

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Solution

The fourth proportional to 17,712,947.36, 26,472,372.44 and 12,930,707.36 is: 19,325,214.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,712,947.36 : 26,472,372.44 = 12,930,707.36 : x
  2. Step 2: Convert to fraction form
    17,712,947.36/26,472,372.44 = 12,930,707.36/x
  3. Step 3: Cross multiply
    17,712,947.36x = 26,472,372.44 × 12,930,707.36
  4. Step 4: Simplify right side
    17,712,947.36x = 342,306,501,146,569.19
  5. Step 5: Solve for x
    x = 342,306,501,146,569.19/17,712,947.36
  6. Step 6: Final answer
    x = 19,325,214.16

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.