Home / 21,590,434.40-32,389,280.40-6,445,896.80

Finding the Fourth Proportional to 21,590,434.40, 32,389,280.40 and 6,445,896.80

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Solution

The fourth proportional to 21,590,434.40, 32,389,280.40 and 6,445,896.80 is: 9,669,928.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,590,434.40 : 32,389,280.40 = 6,445,896.80 : x
  2. Step 2: Convert to fraction form
    21,590,434.40/32,389,280.40 = 6,445,896.80/x
  3. Step 3: Cross multiply
    21,590,434.40x = 32,389,280.40 × 6,445,896.80
  4. Step 4: Simplify right side
    21,590,434.40x = 208,777,958,884,662.72
  5. Step 5: Solve for x
    x = 208,777,958,884,662.72/21,590,434.40
  6. Step 6: Final answer
    x = 9,669,928.59

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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.