Home / 40,323,342.40-60,485,013.60-13,396,998.40

Finding the Fourth Proportional to 40,323,342.40, 60,485,013.60 and 13,396,998.40

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Solution

The fourth proportional to 40,323,342.40, 60,485,013.60 and 13,396,998.40 is: 20,095,497.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,323,342.40 : 60,485,013.60 = 13,396,998.40 : x
  2. Step 2: Convert to fraction form
    40,323,342.40/60,485,013.60 = 13,396,998.40/x
  3. Step 3: Cross multiply
    40,323,342.40x = 60,485,013.60 × 13,396,998.40
  4. Step 4: Simplify right side
    40,323,342.40x = 810,317,630,423,178.25
  5. Step 5: Solve for x
    x = 810,317,630,423,178.25/40,323,342.40
  6. Step 6: Final answer
    x = 20,095,497.60

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1.5x scale

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.