Home / 6,909,840.32-10,366,276.80-2,117,890.04

Finding the Fourth Proportional to 6,909,840.32, 10,366,276.80 and 2,117,890.04

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Solution

The fourth proportional to 6,909,840.32, 10,366,276.80 and 2,117,890.04 is: 3,177,299.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,909,840.32 : 10,366,276.80 = 2,117,890.04 : x
  2. Step 2: Convert to fraction form
    6,909,840.32/10,366,276.80 = 2,117,890.04/x
  3. Step 3: Cross multiply
    6,909,840.32x = 10,366,276.80 × 2,117,890.04
  4. Step 4: Simplify right side
    6,909,840.32x = 21,954,634,386,603.07
  5. Step 5: Solve for x
    x = 21,954,634,386,603.07/6,909,840.32
  6. Step 6: Final answer
    x = 3,177,299.82

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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.