Home / 12,411,412.40-18,617,118.60-3,313,492.40

Finding the Fourth Proportional to 12,411,412.40, 18,617,118.60 and 3,313,492.40

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Solution

The fourth proportional to 12,411,412.40, 18,617,118.60 and 3,313,492.40 is: 4,970,238.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,411,412.40 : 18,617,118.60 = 3,313,492.40 : x
  2. Step 2: Convert to fraction form
    12,411,412.40/18,617,118.60 = 3,313,492.40/x
  3. Step 3: Cross multiply
    12,411,412.40x = 18,617,118.60 × 3,313,492.40
  4. Step 4: Simplify right side
    12,411,412.40x = 61,687,680,990,998.64
  5. Step 5: Solve for x
    x = 61,687,680,990,998.64/12,411,412.40
  6. Step 6: Final answer
    x = 4,970,238.60

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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.