Home / 13,359,121.12-18,434,368.52-7,558,432.48

Finding the Fourth Proportional to 13,359,121.12, 18,434,368.52 and 7,558,432.48

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Solution

The fourth proportional to 13,359,121.12, 18,434,368.52 and 7,558,432.48 is: 10,429,947.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,359,121.12 : 18,434,368.52 = 7,558,432.48 : x
  2. Step 2: Convert to fraction form
    13,359,121.12/18,434,368.52 = 7,558,432.48/x
  3. Step 3: Cross multiply
    13,359,121.12x = 18,434,368.52 × 7,558,432.48
  4. Step 4: Simplify right side
    13,359,121.12x = 139,334,929,769,857.53
  5. Step 5: Solve for x
    x = 139,334,929,769,857.53/13,359,121.12
  6. Step 6: Final answer
    x = 10,429,947.34

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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.