Home / 18,615,702.28-25,689,358.50-10,355,665.64

Finding the Fourth Proportional to 18,615,702.28, 25,689,358.50 and 10,355,665.64

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Solution

The fourth proportional to 18,615,702.28, 25,689,358.50 and 10,355,665.64 is: 14,290,645.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,615,702.28 : 25,689,358.50 = 10,355,665.64 : x
  2. Step 2: Convert to fraction form
    18,615,702.28/25,689,358.50 = 10,355,665.64/x
  3. Step 3: Cross multiply
    18,615,702.28x = 25,689,358.50 × 10,355,665.64
  4. Step 4: Simplify right side
    18,615,702.28x = 266,030,407,132,091.97
  5. Step 5: Solve for x
    x = 266,030,407,132,091.97/18,615,702.28
  6. Step 6: Final answer
    x = 14,290,645.77

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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.