Home / 40,825,431-61,216,884.54-19,254,240.54

Finding the Fourth Proportional to 40,825,431, 61,216,884.54 and 19,254,240.54

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Solution

The fourth proportional to 40,825,431, 61,216,884.54 and 19,254,240.54 is: 28,871,333.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,825,431 : 61,216,884.54 = 19,254,240.54 : x
  2. Step 2: Convert to fraction form
    40,825,431/61,216,884.54 = 19,254,240.54/x
  3. Step 3: Cross multiply
    40,825,431x = 61,216,884.54 × 19,254,240.54
  4. Step 4: Simplify right side
    40,825,431x = 1,178,684,620,042,567.25
  5. Step 5: Solve for x
    x = 1,178,684,620,042,567.25/40,825,431
  6. Step 6: Final answer
    x = 28,871,333.17

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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.