Home / 13,605,021.17-18,774,929.45-7,493,449.67

Finding the Fourth Proportional to 13,605,021.17, 18,774,929.45 and 7,493,449.67

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Solution

The fourth proportional to 13,605,021.17, 18,774,929.45 and 7,493,449.67 is: 10,340,960.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,605,021.17 : 18,774,929.45 = 7,493,449.67 : x
  2. Step 2: Convert to fraction form
    13,605,021.17/18,774,929.45 = 7,493,449.67/x
  3. Step 3: Cross multiply
    13,605,021.17x = 18,774,929.45 × 7,493,449.67
  4. Step 4: Simplify right side
    13,605,021.17x = 140,688,988,928,946.30
  5. Step 5: Solve for x
    x = 140,688,988,928,946.30/13,605,021.17
  6. Step 6: Final answer
    x = 10,340,960.68

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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.