Home / 13,301,153.70-18,356,908.14-8,073,749.58

Finding the Fourth Proportional to 13,301,153.70, 18,356,908.14 and 8,073,749.58

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Solution

The fourth proportional to 13,301,153.70, 18,356,908.14 and 8,073,749.58 is: 11,142,573.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,301,153.70 : 18,356,908.14 = 8,073,749.58 : x
  2. Step 2: Convert to fraction form
    13,301,153.70/18,356,908.14 = 8,073,749.58/x
  3. Step 3: Cross multiply
    13,301,153.70x = 18,356,908.14 × 8,073,749.58
  4. Step 4: Simplify right side
    13,301,153.70x = 148,209,079,385,423.59
  5. Step 5: Solve for x
    x = 148,209,079,385,423.59/13,301,153.70
  6. Step 6: Final answer
    x = 11,142,573.25

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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.