Home / 14,562,428.40-21,849,766.20-7,822,969.20

Finding the Fourth Proportional to 14,562,428.40, 21,849,766.20 and 7,822,969.20

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Solution

The fourth proportional to 14,562,428.40, 21,849,766.20 and 7,822,969.20 is: 11,737,743.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,562,428.40 : 21,849,766.20 = 7,822,969.20 : x
  2. Step 2: Convert to fraction form
    14,562,428.40/21,849,766.20 = 7,822,969.20/x
  3. Step 3: Cross multiply
    14,562,428.40x = 21,849,766.20 × 7,822,969.20
  4. Step 4: Simplify right side
    14,562,428.40x = 170,930,048,009,801.03
  5. Step 5: Solve for x
    x = 170,930,048,009,801.03/14,562,428.40
  6. Step 6: Final answer
    x = 11,737,743.41

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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.