Home / 26,479,985.60-39,719,978.40-16,402,289.60

Finding the Fourth Proportional to 26,479,985.60, 39,719,978.40 and 16,402,289.60

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Solution

The fourth proportional to 26,479,985.60, 39,719,978.40 and 16,402,289.60 is: 24,603,434.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,479,985.60 : 39,719,978.40 = 16,402,289.60 : x
  2. Step 2: Convert to fraction form
    26,479,985.60/39,719,978.40 = 16,402,289.60/x
  3. Step 3: Cross multiply
    26,479,985.60x = 39,719,978.40 × 16,402,289.60
  4. Step 4: Simplify right side
    26,479,985.60x = 651,498,588,622,544.62
  5. Step 5: Solve for x
    x = 651,498,588,622,544.62/26,479,985.60
  6. Step 6: Final answer
    x = 24,603,434.40

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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.