Home / 13,746,996.49-18,968,746.29-7,944,657.76

Finding the Fourth Proportional to 13,746,996.49, 18,968,746.29 and 7,944,657.76

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Solution

The fourth proportional to 13,746,996.49, 18,968,746.29 and 7,944,657.76 is: 10,962,408.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,746,996.49 : 18,968,746.29 = 7,944,657.76 : x
  2. Step 2: Convert to fraction form
    13,746,996.49/18,968,746.29 = 7,944,657.76/x
  3. Step 3: Cross multiply
    13,746,996.49x = 18,968,746.29 × 7,944,657.76
  4. Step 4: Simplify right side
    13,746,996.49x = 150,700,197,410,319.69
  5. Step 5: Solve for x
    x = 150,700,197,410,319.69/13,746,996.49
  6. Step 6: Final answer
    x = 10,962,408.95

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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.