Home / 17,712,795.28-26,472,145.88-12,930,555.28

Finding the Fourth Proportional to 17,712,795.28, 26,472,145.88 and 12,930,555.28

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Solution

The fourth proportional to 17,712,795.28, 26,472,145.88 and 12,930,555.28 is: 19,324,987.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,712,795.28 : 26,472,145.88 = 12,930,555.28 : x
  2. Step 2: Convert to fraction form
    17,712,795.28/26,472,145.88 = 12,930,555.28/x
  3. Step 3: Cross multiply
    17,712,795.28x = 26,472,145.88 × 12,930,555.28
  4. Step 4: Simplify right side
    17,712,795.28x = 342,299,545,681,564.19
  5. Step 5: Solve for x
    x = 342,299,545,681,564.19/17,712,795.28
  6. Step 6: Final answer
    x = 19,324,987.40

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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.