Home / 28,402,686.40-42,604,029.60-23,867,723.20

Finding the Fourth Proportional to 28,402,686.40, 42,604,029.60 and 23,867,723.20

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Solution

The fourth proportional to 28,402,686.40, 42,604,029.60 and 23,867,723.20 is: 35,801,584.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,402,686.40 : 42,604,029.60 = 23,867,723.20 : x
  2. Step 2: Convert to fraction form
    28,402,686.40/42,604,029.60 = 23,867,723.20/x
  3. Step 3: Cross multiply
    28,402,686.40x = 42,604,029.60 × 23,867,723.20
  4. Step 4: Simplify right side
    28,402,686.40x = 1,016,861,185,697,406.75
  5. Step 5: Solve for x
    x = 1,016,861,185,697,406.75/28,402,686.40
  6. Step 6: Final answer
    x = 35,801,584.80

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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.