Home / 9,787,287.20-14,680,930.80-6,763,978.40

Finding the Fourth Proportional to 9,787,287.20, 14,680,930.80 and 6,763,978.40

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Solution

The fourth proportional to 9,787,287.20, 14,680,930.80 and 6,763,978.40 is: 10,145,967.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,787,287.20 : 14,680,930.80 = 6,763,978.40 : x
  2. Step 2: Convert to fraction form
    9,787,287.20/14,680,930.80 = 6,763,978.40/x
  3. Step 3: Cross multiply
    9,787,287.20x = 14,680,930.80 × 6,763,978.40
  4. Step 4: Simplify right side
    9,787,287.20x = 99,301,498,823,094.73
  5. Step 5: Solve for x
    x = 99,301,498,823,094.73/9,787,287.20
  6. Step 6: Final answer
    x = 10,145,967.60

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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.