Home / 13,228,320.56-18,254,465.40-7,348,335.86

Finding the Fourth Proportional to 13,228,320.56, 18,254,465.40 and 7,348,335.86

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Solution

The fourth proportional to 13,228,320.56, 18,254,465.40 and 7,348,335.86 is: 10,140,360.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,228,320.56 : 18,254,465.40 = 7,348,335.86 : x
  2. Step 2: Convert to fraction form
    13,228,320.56/18,254,465.40 = 7,348,335.86/x
  3. Step 3: Cross multiply
    13,228,320.56x = 18,254,465.40 × 7,348,335.86
  4. Step 4: Simplify right side
    13,228,320.56x = 134,139,942,703,949.23
  5. Step 5: Solve for x
    x = 134,139,942,703,949.23/13,228,320.56
  6. Step 6: Final answer
    x = 10,140,360.76

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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.