Home / 26,879,167.76-40,307,541.20-8,430,359.52

Finding the Fourth Proportional to 26,879,167.76, 40,307,541.20 and 8,430,359.52

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Solution

The fourth proportional to 26,879,167.76, 40,307,541.20 and 8,430,359.52 is: 12,642,023.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,879,167.76 : 40,307,541.20 = 8,430,359.52 : x
  2. Step 2: Convert to fraction form
    26,879,167.76/40,307,541.20 = 8,430,359.52/x
  3. Step 3: Cross multiply
    26,879,167.76x = 40,307,541.20 × 8,430,359.52
  4. Step 4: Simplify right side
    26,879,167.76x = 339,807,063,683,212.25
  5. Step 5: Solve for x
    x = 339,807,063,683,212.25/26,879,167.76
  6. Step 6: Final answer
    x = 12,642,023.25

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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.