Home / 29,036,978.11-40,071,539.40-15,806,535.41

Finding the Fourth Proportional to 29,036,978.11, 40,071,539.40 and 15,806,535.41

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Solution

The fourth proportional to 29,036,978.11, 40,071,539.40 and 15,806,535.41 is: 21,813,296.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,036,978.11 : 40,071,539.40 = 15,806,535.41 : x
  2. Step 2: Convert to fraction form
    29,036,978.11/40,071,539.40 = 15,806,535.41/x
  3. Step 3: Cross multiply
    29,036,978.11x = 40,071,539.40 × 15,806,535.41
  4. Step 4: Simplify right side
    29,036,978.11x = 633,392,206,500,214.50
  5. Step 5: Solve for x
    x = 633,392,206,500,214.50/29,036,978.11
  6. Step 6: Final answer
    x = 21,813,296.28

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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.