Home / 18,430,139.92-25,438,651.80-10,697,673.44

Finding the Fourth Proportional to 18,430,139.92, 25,438,651.80 and 10,697,673.44

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Solution

The fourth proportional to 18,430,139.92, 25,438,651.80 and 10,697,673.44 is: 14,765,725.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,430,139.92 : 25,438,651.80 = 10,697,673.44 : x
  2. Step 2: Convert to fraction form
    18,430,139.92/25,438,651.80 = 10,697,673.44/x
  3. Step 3: Cross multiply
    18,430,139.92x = 25,438,651.80 × 10,697,673.44
  4. Step 4: Simplify right side
    18,430,139.92x = 272,134,389,710,268.19
  5. Step 5: Solve for x
    x = 272,134,389,710,268.19/18,430,139.92
  6. Step 6: Final answer
    x = 14,765,725.65

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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.