Home / 28,281,810.24-42,414,972.93-7,806,635.10

Finding the Fourth Proportional to 28,281,810.24, 42,414,972.93 and 7,806,635.10

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Solution

The fourth proportional to 28,281,810.24, 42,414,972.93 and 7,806,635.10 is: 11,707,815.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,281,810.24 : 42,414,972.93 = 7,806,635.10 : x
  2. Step 2: Convert to fraction form
    28,281,810.24/42,414,972.93 = 7,806,635.10/x
  3. Step 3: Cross multiply
    28,281,810.24x = 42,414,972.93 × 7,806,635.10
  4. Step 4: Simplify right side
    28,281,810.24x = 331,118,216,440,887.81
  5. Step 5: Solve for x
    x = 331,118,216,440,887.81/28,281,810.24
  6. Step 6: Final answer
    x = 11,707,815.51

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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.