Home / 31,094,027.55-42,909,907.21-17,155,381.86

Finding the Fourth Proportional to 31,094,027.55, 42,909,907.21 and 17,155,381.86

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Solution

The fourth proportional to 31,094,027.55, 42,909,907.21 and 17,155,381.86 is: 23,674,509.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,094,027.55 : 42,909,907.21 = 17,155,381.86 : x
  2. Step 2: Convert to fraction form
    31,094,027.55/42,909,907.21 = 17,155,381.86/x
  3. Step 3: Cross multiply
    31,094,027.55x = 42,909,907.21 × 17,155,381.86
  4. Step 4: Simplify right side
    31,094,027.55x = 736,135,843,721,828.75
  5. Step 5: Solve for x
    x = 736,135,843,721,828.75/31,094,027.55
  6. Step 6: Final answer
    x = 23,674,509.28

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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.