Home / 25,980,937.20-38,971,405.80-19,934,319.60

Finding the Fourth Proportional to 25,980,937.20, 38,971,405.80 and 19,934,319.60

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Solution

The fourth proportional to 25,980,937.20, 38,971,405.80 and 19,934,319.60 is: 29,901,479.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,980,937.20 : 38,971,405.80 = 19,934,319.60 : x
  2. Step 2: Convert to fraction form
    25,980,937.20/38,971,405.80 = 19,934,319.60/x
  3. Step 3: Cross multiply
    25,980,937.20x = 38,971,405.80 × 19,934,319.60
  4. Step 4: Simplify right side
    25,980,937.20x = 776,868,458,478,493.62
  5. Step 5: Solve for x
    x = 776,868,458,478,493.62/25,980,937.20
  6. Step 6: Final answer
    x = 29,901,479.40

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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.