Home / 13,417,468.10-18,511,384.65-8,773,971.38

Finding the Fourth Proportional to 13,417,468.10, 18,511,384.65 and 8,773,971.38

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Solution

The fourth proportional to 13,417,468.10, 18,511,384.65 and 8,773,971.38 is: 12,104,993.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,417,468.10 : 18,511,384.65 = 8,773,971.38 : x
  2. Step 2: Convert to fraction form
    13,417,468.10/18,511,384.65 = 8,773,971.38/x
  3. Step 3: Cross multiply
    13,417,468.10x = 18,511,384.65 × 8,773,971.38
  4. Step 4: Simplify right side
    13,417,468.10x = 162,418,359,123,271.31
  5. Step 5: Solve for x
    x = 162,418,359,123,271.31/13,417,468.10
  6. Step 6: Final answer
    x = 12,104,993.13

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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.