Home / 18,118,903.68-25,004,087.22-9,970,141.68

Finding the Fourth Proportional to 18,118,903.68, 25,004,087.22 and 9,970,141.68

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Solution

The fourth proportional to 18,118,903.68, 25,004,087.22 and 9,970,141.68 is: 13,758,795.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,118,903.68 : 25,004,087.22 = 9,970,141.68 : x
  2. Step 2: Convert to fraction form
    18,118,903.68/25,004,087.22 = 9,970,141.68/x
  3. Step 3: Cross multiply
    18,118,903.68x = 25,004,087.22 × 9,970,141.68
  4. Step 4: Simplify right side
    18,118,903.68x = 249,294,292,162,477.31
  5. Step 5: Solve for x
    x = 249,294,292,162,477.31/18,118,903.68
  6. Step 6: Final answer
    x = 13,758,795.60

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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.