Home / 18,701,845.90-25,808,294.98-10,442,035.32

Finding the Fourth Proportional to 18,701,845.90, 25,808,294.98 and 10,442,035.32

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Solution

The fourth proportional to 18,701,845.90, 25,808,294.98 and 10,442,035.32 is: 14,409,867.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,701,845.90 : 25,808,294.98 = 10,442,035.32 : x
  2. Step 2: Convert to fraction form
    18,701,845.90/25,808,294.98 = 10,442,035.32/x
  3. Step 3: Cross multiply
    18,701,845.90x = 25,808,294.98 × 10,442,035.32
  4. Step 4: Simplify right side
    18,701,845.90x = 269,491,127,730,138.72
  5. Step 5: Solve for x
    x = 269,491,127,730,138.72/18,701,845.90
  6. Step 6: Final answer
    x = 14,409,867.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.