Home / 13,466,120.63-18,583,364.49-7,665,275.36

Finding the Fourth Proportional to 13,466,120.63, 18,583,364.49 and 7,665,275.36

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Solution

The fourth proportional to 13,466,120.63, 18,583,364.49 and 7,665,275.36 is: 10,578,147.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,466,120.63 : 18,583,364.49 = 7,665,275.36 : x
  2. Step 2: Convert to fraction form
    13,466,120.63/18,583,364.49 = 7,665,275.36/x
  3. Step 3: Cross multiply
    13,466,120.63x = 18,583,364.49 × 7,665,275.36
  4. Step 4: Simplify right side
    13,466,120.63x = 142,446,605,838,179.12
  5. Step 5: Solve for x
    x = 142,446,605,838,179.12/13,466,120.63
  6. Step 6: Final answer
    x = 10,578,147.17

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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.