Home / 16,836,259.60-25,191,330.90-11,989,770.40

Finding the Fourth Proportional to 16,836,259.60, 25,191,330.90 and 11,989,770.40

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Solution

The fourth proportional to 16,836,259.60, 25,191,330.90 and 11,989,770.40 is: 17,939,749.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,836,259.60 : 25,191,330.90 = 11,989,770.40 : x
  2. Step 2: Convert to fraction form
    16,836,259.60/25,191,330.90 = 11,989,770.40/x
  3. Step 3: Cross multiply
    16,836,259.60x = 25,191,330.90 × 11,989,770.40
  4. Step 4: Simplify right side
    16,836,259.60x = 302,038,273,561,425.38
  5. Step 5: Solve for x
    x = 302,038,273,561,425.38/16,836,259.60
  6. Step 6: Final answer
    x = 17,939,749.13

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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.