Home / 13,308,886.20-19,963,329.30-4,786,147.20

Finding the Fourth Proportional to 13,308,886.20, 19,963,329.30 and 4,786,147.20

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Solution

The fourth proportional to 13,308,886.20, 19,963,329.30 and 4,786,147.20 is: 7,179,220.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,308,886.20 : 19,963,329.30 = 4,786,147.20 : x
  2. Step 2: Convert to fraction form
    13,308,886.20/19,963,329.30 = 4,786,147.20/x
  3. Step 3: Cross multiply
    13,308,886.20x = 19,963,329.30 × 4,786,147.20
  4. Step 4: Simplify right side
    13,308,886.20x = 95,547,432,631,872.97
  5. Step 5: Solve for x
    x = 95,547,432,631,872.97/13,308,886.20
  6. Step 6: Final answer
    x = 7,179,220.80

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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.