Home / 17,921,403.20-26,896,101.60-8,337,969.20

Finding the Fourth Proportional to 17,921,403.20, 26,896,101.60 and 8,337,969.20

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Solution

The fourth proportional to 17,921,403.20, 26,896,101.60 and 8,337,969.20 is: 12,513,465.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,921,403.20 : 26,896,101.60 = 8,337,969.20 : x
  2. Step 2: Convert to fraction form
    17,921,403.20/26,896,101.60 = 8,337,969.20/x
  3. Step 3: Cross multiply
    17,921,403.20x = 26,896,101.60 × 8,337,969.20
  4. Step 4: Simplify right side
    17,921,403.20x = 224,258,866,740,870.75
  5. Step 5: Solve for x
    x = 224,258,866,740,870.75/17,921,403.20
  6. Step 6: Final answer
    x = 12,513,465.84

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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.