Home / 21,385,181.40-32,077,772.10-6,240,643.80

Finding the Fourth Proportional to 21,385,181.40, 32,077,772.10 and 6,240,643.80

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Solution

The fourth proportional to 21,385,181.40, 32,077,772.10 and 6,240,643.80 is: 9,360,965.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,385,181.40 : 32,077,772.10 = 6,240,643.80 : x
  2. Step 2: Convert to fraction form
    21,385,181.40/32,077,772.10 = 6,240,643.80/x
  3. Step 3: Cross multiply
    21,385,181.40x = 32,077,772.10 × 6,240,643.80
  4. Step 4: Simplify right side
    21,385,181.40x = 200,185,949,573,677.97
  5. Step 5: Solve for x
    x = 200,185,949,573,677.97/21,385,181.40
  6. Step 6: Final answer
    x = 9,360,965.70

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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.