Home / 13,371,259.82-18,411,022.31-10,442,905.70

Finding the Fourth Proportional to 13,371,259.82, 18,411,022.31 and 10,442,905.70

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Solution

The fourth proportional to 13,371,259.82, 18,411,022.31 and 10,442,905.70 is: 14,378,942.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,371,259.82 : 18,411,022.31 = 10,442,905.70 : x
  2. Step 2: Convert to fraction form
    13,371,259.82/18,411,022.31 = 10,442,905.70/x
  3. Step 3: Cross multiply
    13,371,259.82x = 18,411,022.31 × 10,442,905.70
  4. Step 4: Simplify right side
    13,371,259.82x = 192,264,569,679,656.53
  5. Step 5: Solve for x
    x = 192,264,569,679,656.53/13,371,259.82
  6. Step 6: Final answer
    x = 14,378,942.02

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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.