Home / 13,285,416.30-19,928,124.45-4,309,968.30

Finding the Fourth Proportional to 13,285,416.30, 19,928,124.45 and 4,309,968.30

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Solution

The fourth proportional to 13,285,416.30, 19,928,124.45 and 4,309,968.30 is: 6,464,952.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,285,416.30 : 19,928,124.45 = 4,309,968.30 : x
  2. Step 2: Convert to fraction form
    13,285,416.30/19,928,124.45 = 4,309,968.30/x
  3. Step 3: Cross multiply
    13,285,416.30x = 19,928,124.45 × 4,309,968.30
  4. Step 4: Simplify right side
    13,285,416.30x = 85,889,584,657,954.92
  5. Step 5: Solve for x
    x = 85,889,584,657,954.92/13,285,416.30
  6. Step 6: Final answer
    x = 6,464,952.45

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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.