Home / 13,459,223.78-18,573,634.34-7,347,652.28

Finding the Fourth Proportional to 13,459,223.78, 18,573,634.34 and 7,347,652.28

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Solution

The fourth proportional to 13,459,223.78, 18,573,634.34 and 7,347,652.28 is: 10,139,708.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,459,223.78 : 18,573,634.34 = 7,347,652.28 : x
  2. Step 2: Convert to fraction form
    13,459,223.78/18,573,634.34 = 7,347,652.28/x
  3. Step 3: Cross multiply
    13,459,223.78x = 18,573,634.34 × 7,347,652.28
  4. Step 4: Simplify right side
    13,459,223.78x = 136,472,606,736,362.16
  5. Step 5: Solve for x
    x = 136,472,606,736,362.16/13,459,223.78
  6. Step 6: Final answer
    x = 10,139,708.57

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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.