Home / 14,490,847.60-19,997,411.64-7,965,145.76

Finding the Fourth Proportional to 14,490,847.60, 19,997,411.64 and 7,965,145.76

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Solution

The fourth proportional to 14,490,847.60, 19,997,411.64 and 7,965,145.76 is: 10,991,924.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,490,847.60 : 19,997,411.64 = 7,965,145.76 : x
  2. Step 2: Convert to fraction form
    14,490,847.60/19,997,411.64 = 7,965,145.76/x
  3. Step 3: Cross multiply
    14,490,847.60x = 19,997,411.64 × 7,965,145.76
  4. Step 4: Simplify right side
    14,490,847.60x = 159,282,298,535,320.66
  5. Step 5: Solve for x
    x = 159,282,298,535,320.66/14,490,847.60
  6. Step 6: Final answer
    x = 10,991,924.21

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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.