Home / 25,496,848.30-38,245,272.45-20,458,000.30

Finding the Fourth Proportional to 25,496,848.30, 38,245,272.45 and 20,458,000.30

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Solution

The fourth proportional to 25,496,848.30, 38,245,272.45 and 20,458,000.30 is: 30,687,000.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,496,848.30 : 38,245,272.45 = 20,458,000.30 : x
  2. Step 2: Convert to fraction form
    25,496,848.30/38,245,272.45 = 20,458,000.30/x
  3. Step 3: Cross multiply
    25,496,848.30x = 38,245,272.45 × 20,458,000.30
  4. Step 4: Simplify right side
    25,496,848.30x = 782,421,795,255,681.88
  5. Step 5: Solve for x
    x = 782,421,795,255,681.88/25,496,848.30
  6. Step 6: Final answer
    x = 30,687,000.45

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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.