Home / 19,492,374.90-29,207,069.55-12,291,021.30

Finding the Fourth Proportional to 19,492,374.90, 29,207,069.55 and 12,291,021.30

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Solution

The fourth proportional to 19,492,374.90, 29,207,069.55 and 12,291,021.30 is: 18,416,674.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,492,374.90 : 29,207,069.55 = 12,291,021.30 : x
  2. Step 2: Convert to fraction form
    19,492,374.90/29,207,069.55 = 12,291,021.30/x
  3. Step 3: Cross multiply
    19,492,374.90x = 29,207,069.55 × 12,291,021.30
  4. Step 4: Simplify right side
    19,492,374.90x = 358,984,713,949,631.44
  5. Step 5: Solve for x
    x = 358,984,713,949,631.44/19,492,374.90
  6. Step 6: Final answer
    x = 18,416,674.00

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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.