Home / 12,080,636.32-16,671,280.56-6,648,128.32

Finding the Fourth Proportional to 12,080,636.32, 16,671,280.56 and 6,648,128.32

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Solution

The fourth proportional to 12,080,636.32, 16,671,280.56 and 6,648,128.32 is: 9,174,418.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,080,636.32 : 16,671,280.56 = 6,648,128.32 : x
  2. Step 2: Convert to fraction form
    12,080,636.32/16,671,280.56 = 6,648,128.32/x
  3. Step 3: Cross multiply
    12,080,636.32x = 16,671,280.56 × 6,648,128.32
  4. Step 4: Simplify right side
    12,080,636.32x = 110,832,812,421,601.47
  5. Step 5: Solve for x
    x = 110,832,812,421,601.47/12,080,636.32
  6. Step 6: Final answer
    x = 9,174,418.42

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.