Home / 13,381,814.64-18,462,835.80-7,579,674.48

Finding the Fourth Proportional to 13,381,814.64, 18,462,835.80 and 7,579,674.48

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Solution

The fourth proportional to 13,381,814.64, 18,462,835.80 and 7,579,674.48 is: 10,457,646.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,381,814.64 : 18,462,835.80 = 7,579,674.48 : x
  2. Step 2: Convert to fraction form
    13,381,814.64/18,462,835.80 = 7,579,674.48/x
  3. Step 3: Cross multiply
    13,381,814.64x = 18,462,835.80 × 7,579,674.48
  4. Step 4: Simplify right side
    13,381,814.64x = 139,942,285,341,690.39
  5. Step 5: Solve for x
    x = 139,942,285,341,690.39/13,381,814.64
  6. Step 6: Final answer
    x = 10,457,646.37

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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.