Home / 31,091,862.63-46,643,771.68-11,921,124.45

Finding the Fourth Proportional to 31,091,862.63, 46,643,771.68 and 11,921,124.45

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Solution

The fourth proportional to 31,091,862.63, 46,643,771.68 and 11,921,124.45 is: 17,883,978.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,091,862.63 : 46,643,771.68 = 11,921,124.45 : x
  2. Step 2: Convert to fraction form
    31,091,862.63/46,643,771.68 = 11,921,124.45/x
  3. Step 3: Cross multiply
    31,091,862.63x = 46,643,771.68 × 11,921,124.45
  4. Step 4: Simplify right side
    31,091,862.63x = 556,046,207,014,665.56
  5. Step 5: Solve for x
    x = 556,046,207,014,665.56/31,091,862.63
  6. Step 6: Final answer
    x = 17,883,978.64

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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.