Home / 15,496,153.56-21,378,915.90-9,692,730.36

Finding the Fourth Proportional to 15,496,153.56, 21,378,915.90 and 9,692,730.36

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Solution

The fourth proportional to 15,496,153.56, 21,378,915.90 and 9,692,730.36 is: 13,372,355.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,496,153.56 : 21,378,915.90 = 9,692,730.36 : x
  2. Step 2: Convert to fraction form
    15,496,153.56/21,378,915.90 = 9,692,730.36/x
  3. Step 3: Cross multiply
    15,496,153.56x = 21,378,915.90 × 9,692,730.36
  4. Step 4: Simplify right side
    15,496,153.56x = 207,220,067,207,816.69
  5. Step 5: Solve for x
    x = 207,220,067,207,816.69/15,496,153.56
  6. Step 6: Final answer
    x = 13,372,355.04

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1.5x scale

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.