Home / 28,202,610.42-42,303,916.02-18,615,746.34

Finding the Fourth Proportional to 28,202,610.42, 42,303,916.02 and 18,615,746.34

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Solution

The fourth proportional to 28,202,610.42, 42,303,916.02 and 18,615,746.34 is: 27,923,619.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,202,610.42 : 42,303,916.02 = 18,615,746.34 : x
  2. Step 2: Convert to fraction form
    28,202,610.42/42,303,916.02 = 18,615,746.34/x
  3. Step 3: Cross multiply
    28,202,610.42x = 42,303,916.02 × 18,615,746.34
  4. Step 4: Simplify right side
    28,202,610.42x = 787,518,969,816,982.38
  5. Step 5: Solve for x
    x = 787,518,969,816,982.38/28,202,610.42
  6. Step 6: Final answer
    x = 27,923,619.77

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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.