Home / 13,366,037.90-18,441,970.99-7,564,819.64

Finding the Fourth Proportional to 13,366,037.90, 18,441,970.99 and 7,564,819.64

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Solution

The fourth proportional to 13,366,037.90, 18,441,970.99 and 7,564,819.64 is: 10,437,661.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,366,037.90 : 18,441,970.99 = 7,564,819.64 : x
  2. Step 2: Convert to fraction form
    13,366,037.90/18,441,970.99 = 7,564,819.64/x
  3. Step 3: Cross multiply
    13,366,037.90x = 18,441,970.99 × 7,564,819.64
  4. Step 4: Simplify right side
    13,366,037.90x = 139,510,184,234,340.34
  5. Step 5: Solve for x
    x = 139,510,184,234,340.34/13,366,037.90
  6. Step 6: Final answer
    x = 10,437,661.87

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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.