Home / 12,451,328.10-18,679,616.55-5,259,159.90

Finding the Fourth Proportional to 12,451,328.10, 18,679,616.55 and 5,259,159.90

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Solution

The fourth proportional to 12,451,328.10, 18,679,616.55 and 5,259,159.90 is: 7,889,848.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,451,328.10 : 18,679,616.55 = 5,259,159.90 : x
  2. Step 2: Convert to fraction form
    12,451,328.10/18,679,616.55 = 5,259,159.90/x
  3. Step 3: Cross multiply
    12,451,328.10x = 18,679,616.55 × 5,259,159.90
  4. Step 4: Simplify right side
    12,451,328.10x = 98,239,090,307,136.36
  5. Step 5: Solve for x
    x = 98,239,090,307,136.36/12,451,328.10
  6. Step 6: Final answer
    x = 7,889,848.34

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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.