Home / 12,731,920.70-17,570,052.42-6,930,746.48

Finding the Fourth Proportional to 12,731,920.70, 17,570,052.42 and 6,930,746.48

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Solution

The fourth proportional to 12,731,920.70, 17,570,052.42 and 6,930,746.48 is: 9,564,431.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,731,920.70 : 17,570,052.42 = 6,930,746.48 : x
  2. Step 2: Convert to fraction form
    12,731,920.70/17,570,052.42 = 6,930,746.48/x
  3. Step 3: Cross multiply
    12,731,920.70x = 17,570,052.42 × 6,930,746.48
  4. Step 4: Simplify right side
    12,731,920.70x = 121,773,578,963,330.50
  5. Step 5: Solve for x
    x = 121,773,578,963,330.50/12,731,920.70
  6. Step 6: Final answer
    x = 9,564,431.15

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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.