Home / 21,411,122.20-32,106,056.10-7,763,723.80

Finding the Fourth Proportional to 21,411,122.20, 32,106,056.10 and 7,763,723.80

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Solution

The fourth proportional to 21,411,122.20, 32,106,056.10 and 7,763,723.80 is: 11,641,732.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,411,122.20 : 32,106,056.10 = 7,763,723.80 : x
  2. Step 2: Convert to fraction form
    21,411,122.20/32,106,056.10 = 7,763,723.80/x
  3. Step 3: Cross multiply
    21,411,122.20x = 32,106,056.10 × 7,763,723.80
  4. Step 4: Simplify right side
    21,411,122.20x = 249,262,551,867,705.19
  5. Step 5: Solve for x
    x = 249,262,551,867,705.19/21,411,122.20
  6. Step 6: Final answer
    x = 11,641,732.25

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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.