Home / 12,485,813.10-18,697,226.85-9,966,389.10

Finding the Fourth Proportional to 12,485,813.10, 18,697,226.85 and 9,966,389.10

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Solution

The fourth proportional to 12,485,813.10, 18,697,226.85 and 9,966,389.10 is: 14,924,445.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,485,813.10 : 18,697,226.85 = 9,966,389.10 : x
  2. Step 2: Convert to fraction form
    12,485,813.10/18,697,226.85 = 9,966,389.10/x
  3. Step 3: Cross multiply
    12,485,813.10x = 18,697,226.85 × 9,966,389.10
  4. Step 4: Simplify right side
    12,485,813.10x = 186,343,837,878,067.34
  5. Step 5: Solve for x
    x = 186,343,837,878,067.34/12,485,813.10
  6. Step 6: Final answer
    x = 14,924,445.56

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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.