Home / 6,643,951.60-9,965,927.40-4,240,657.30

Finding the Fourth Proportional to 6,643,951.60, 9,965,927.40 and 4,240,657.30

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Solution

The fourth proportional to 6,643,951.60, 9,965,927.40 and 4,240,657.30 is: 6,360,985.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,643,951.60 : 9,965,927.40 = 4,240,657.30 : x
  2. Step 2: Convert to fraction form
    6,643,951.60/9,965,927.40 = 4,240,657.30/x
  3. Step 3: Cross multiply
    6,643,951.60x = 9,965,927.40 × 4,240,657.30
  4. Step 4: Simplify right side
    6,643,951.60x = 42,262,082,780,080.02
  5. Step 5: Solve for x
    x = 42,262,082,780,080.02/6,643,951.60
  6. Step 6: Final answer
    x = 6,360,985.95

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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.