Home / 26,420,632.60-39,630,948.90-12,071,725.60

Finding the Fourth Proportional to 26,420,632.60, 39,630,948.90 and 12,071,725.60

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Solution

The fourth proportional to 26,420,632.60, 39,630,948.90 and 12,071,725.60 is: 18,107,588.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,420,632.60 : 39,630,948.90 = 12,071,725.60 : x
  2. Step 2: Convert to fraction form
    26,420,632.60/39,630,948.90 = 12,071,725.60/x
  3. Step 3: Cross multiply
    26,420,632.60x = 39,630,948.90 × 12,071,725.60
  4. Step 4: Simplify right side
    26,420,632.60x = 478,413,940,388,421.81
  5. Step 5: Solve for x
    x = 478,413,940,388,421.81/26,420,632.60
  6. Step 6: Final answer
    x = 18,107,588.40

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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.