Home / 18,774,972.87-28,165,638.69-6,475,596.52

Finding the Fourth Proportional to 18,774,972.87, 28,165,638.69 and 6,475,596.52

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Solution

The fourth proportional to 18,774,972.87, 28,165,638.69 and 6,475,596.52 is: 9,714,491.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,774,972.87 : 28,165,638.69 = 6,475,596.52 : x
  2. Step 2: Convert to fraction form
    18,774,972.87/28,165,638.69 = 6,475,596.52/x
  3. Step 3: Cross multiply
    18,774,972.87x = 28,165,638.69 × 6,475,596.52
  4. Step 4: Simplify right side
    18,774,972.87x = 182,389,311,884,541.34
  5. Step 5: Solve for x
    x = 182,389,311,884,541.34/18,774,972.87
  6. Step 6: Final answer
    x = 9,714,491.37

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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.