Home / 21,263,286.40-31,894,929.60-17,484,150.40

Finding the Fourth Proportional to 21,263,286.40, 31,894,929.60 and 17,484,150.40

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Solution

The fourth proportional to 21,263,286.40, 31,894,929.60 and 17,484,150.40 is: 26,226,225.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,263,286.40 : 31,894,929.60 = 17,484,150.40 : x
  2. Step 2: Convert to fraction form
    21,263,286.40/31,894,929.60 = 17,484,150.40/x
  3. Step 3: Cross multiply
    21,263,286.40x = 31,894,929.60 × 17,484,150.40
  4. Step 4: Simplify right side
    21,263,286.40x = 557,655,746,123,811.81
  5. Step 5: Solve for x
    x = 557,655,746,123,811.81/21,263,286.40
  6. Step 6: Final answer
    x = 26,226,225.60

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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.