Home / 28,973,987.71-39,944,149.78-23,113,512.86

Finding the Fourth Proportional to 28,973,987.71, 39,944,149.78 and 23,113,512.86

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Solution

The fourth proportional to 28,973,987.71, 39,944,149.78 and 23,113,512.86 is: 31,864,775.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,973,987.71 : 39,944,149.78 = 23,113,512.86 : x
  2. Step 2: Convert to fraction form
    28,973,987.71/39,944,149.78 = 23,113,512.86/x
  3. Step 3: Cross multiply
    28,973,987.71x = 39,944,149.78 × 23,113,512.86
  4. Step 4: Simplify right side
    28,973,987.71x = 923,249,619,567,296.88
  5. Step 5: Solve for x
    x = 923,249,619,567,296.88/28,973,987.71
  6. Step 6: Final answer
    x = 31,864,775.70

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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.