Home / 12,457,405.12-18,674,691.51-4,365,970.06

Finding the Fourth Proportional to 12,457,405.12, 18,674,691.51 and 4,365,970.06

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Solution

The fourth proportional to 12,457,405.12, 18,674,691.51 and 4,365,970.06 is: 6,544,954.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,457,405.12 : 18,674,691.51 = 4,365,970.06 : x
  2. Step 2: Convert to fraction form
    12,457,405.12/18,674,691.51 = 4,365,970.06/x
  3. Step 3: Cross multiply
    12,457,405.12x = 18,674,691.51 × 4,365,970.06
  4. Step 4: Simplify right side
    12,457,405.12x = 81,533,144,012,396.19
  5. Step 5: Solve for x
    x = 81,533,144,012,396.19/12,457,405.12
  6. Step 6: Final answer
    x = 6,544,954.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.