Home / 14,242,870.92-19,655,135.22-7,716,662.58

Finding the Fourth Proportional to 14,242,870.92, 19,655,135.22 and 7,716,662.58

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Solution

The fourth proportional to 14,242,870.92, 19,655,135.22 and 7,716,662.58 is: 10,648,979.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,242,870.92 : 19,655,135.22 = 7,716,662.58 : x
  2. Step 2: Convert to fraction form
    14,242,870.92/19,655,135.22 = 7,716,662.58/x
  3. Step 3: Cross multiply
    14,242,870.92x = 19,655,135.22 × 7,716,662.58
  4. Step 4: Simplify right side
    14,242,870.92x = 151,672,046,457,014.06
  5. Step 5: Solve for x
    x = 151,672,046,457,014.06/14,242,870.92
  6. Step 6: Final answer
    x = 10,648,979.92

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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.