Home / 12,388,626.90-18,582,940.35-9,837,710.10

Finding the Fourth Proportional to 12,388,626.90, 18,582,940.35 and 9,837,710.10

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Solution

The fourth proportional to 12,388,626.90, 18,582,940.35 and 9,837,710.10 is: 14,756,565.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,388,626.90 : 18,582,940.35 = 9,837,710.10 : x
  2. Step 2: Convert to fraction form
    12,388,626.90/18,582,940.35 = 9,837,710.10/x
  3. Step 3: Cross multiply
    12,388,626.90x = 18,582,940.35 × 9,837,710.10
  4. Step 4: Simplify right side
    12,388,626.90x = 182,813,579,968,892.53
  5. Step 5: Solve for x
    x = 182,813,579,968,892.53/12,388,626.90
  6. Step 6: Final answer
    x = 14,756,565.15

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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.