Home / 28,598,167.11-39,484,472.94-21,970,950.20

Finding the Fourth Proportional to 28,598,167.11, 39,484,472.94 and 21,970,950.20

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Solution

The fourth proportional to 28,598,167.11, 39,484,472.94 and 21,970,950.20 is: 30,334,510.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,598,167.11 : 39,484,472.94 = 21,970,950.20 : x
  2. Step 2: Convert to fraction form
    28,598,167.11/39,484,472.94 = 21,970,950.20/x
  3. Step 3: Cross multiply
    28,598,167.11x = 39,484,472.94 × 21,970,950.20
  4. Step 4: Simplify right side
    28,598,167.11x = 867,511,388,440,565.12
  5. Step 5: Solve for x
    x = 867,511,388,440,565.12/28,598,167.11
  6. Step 6: Final answer
    x = 30,334,510.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.