Home / 12,122,697.87-16,747,541.64-7,946,295.89

Finding the Fourth Proportional to 12,122,697.87, 16,747,541.64 and 7,946,295.89

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Solution

The fourth proportional to 12,122,697.87, 16,747,541.64 and 7,946,295.89 is: 10,977,830.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,122,697.87 : 16,747,541.64 = 7,946,295.89 : x
  2. Step 2: Convert to fraction form
    12,122,697.87/16,747,541.64 = 7,946,295.89/x
  3. Step 3: Cross multiply
    12,122,697.87x = 16,747,541.64 × 7,946,295.89
  4. Step 4: Simplify right side
    12,122,697.87x = 133,080,921,217,798.16
  5. Step 5: Solve for x
    x = 133,080,921,217,798.16/12,122,697.87
  6. Step 6: Final answer
    x = 10,977,830.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.