Home / 19,516,439.38-29,276,095.47-5,139,405.94

Finding the Fourth Proportional to 19,516,439.38, 29,276,095.47 and 5,139,405.94

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Solution

The fourth proportional to 19,516,439.38, 29,276,095.47 and 5,139,405.94 is: 7,709,487.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,516,439.38 : 29,276,095.47 = 5,139,405.94 : x
  2. Step 2: Convert to fraction form
    19,516,439.38/29,276,095.47 = 5,139,405.94/x
  3. Step 3: Cross multiply
    19,516,439.38x = 29,276,095.47 × 5,139,405.94
  4. Step 4: Simplify right side
    19,516,439.38x = 150,461,738,958,525.09
  5. Step 5: Solve for x
    x = 150,461,738,958,525.09/19,516,439.38
  6. Step 6: Final answer
    x = 7,709,487.17

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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.