Home / 25,203,412.20-37,780,235.10-12,413,447.40

Finding the Fourth Proportional to 25,203,412.20, 37,780,235.10 and 12,413,447.40

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Solution

The fourth proportional to 25,203,412.20, 37,780,235.10 and 12,413,447.40 is: 18,607,915.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,203,412.20 : 37,780,235.10 = 12,413,447.40 : x
  2. Step 2: Convert to fraction form
    25,203,412.20/37,780,235.10 = 12,413,447.40/x
  3. Step 3: Cross multiply
    25,203,412.20x = 37,780,235.10 × 12,413,447.40
  4. Step 4: Simplify right side
    25,203,412.20x = 468,982,961,173,483.75
  5. Step 5: Solve for x
    x = 468,982,961,173,483.75/25,203,412.20
  6. Step 6: Final answer
    x = 18,607,915.37

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1.5x scale

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.