Home / 19,523,847.73-29,265,123.45-7,219,905.21

Finding the Fourth Proportional to 19,523,847.73, 29,265,123.45 and 7,219,905.21

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Solution

The fourth proportional to 19,523,847.73, 29,265,123.45 and 7,219,905.21 is: 10,822,222.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,523,847.73 : 29,265,123.45 = 7,219,905.21 : x
  2. Step 2: Convert to fraction form
    19,523,847.73/29,265,123.45 = 7,219,905.21/x
  3. Step 3: Cross multiply
    19,523,847.73x = 29,265,123.45 × 7,219,905.21
  4. Step 4: Simplify right side
    19,523,847.73x = 211,291,417,267,948.16
  5. Step 5: Solve for x
    x = 211,291,417,267,948.16/19,523,847.73
  6. Step 6: Final answer
    x = 10,822,222.15

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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.