Home / 18,123,009.68-25,009,929.96-9,974,435.60

Finding the Fourth Proportional to 18,123,009.68, 25,009,929.96 and 9,974,435.60

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Solution

The fourth proportional to 18,123,009.68, 25,009,929.96 and 9,974,435.60 is: 13,764,818.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,123,009.68 : 25,009,929.96 = 9,974,435.60 : x
  2. Step 2: Convert to fraction form
    18,123,009.68/25,009,929.96 = 9,974,435.60/x
  3. Step 3: Cross multiply
    18,123,009.68x = 25,009,929.96 × 9,974,435.60
  4. Step 4: Simplify right side
    18,123,009.68x = 249,459,935,746,530.56
  5. Step 5: Solve for x
    x = 249,459,935,746,530.56/18,123,009.68
  6. Step 6: Final answer
    x = 13,764,818.32

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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.