Home / 39,011,740.63-53,836,201.11-21,609,206.86

Finding the Fourth Proportional to 39,011,740.63, 53,836,201.11 and 21,609,206.86

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Solution

The fourth proportional to 39,011,740.63, 53,836,201.11 and 21,609,206.86 is: 29,820,704.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,011,740.63 : 53,836,201.11 = 21,609,206.86 : x
  2. Step 2: Convert to fraction form
    39,011,740.63/53,836,201.11 = 21,609,206.86/x
  3. Step 3: Cross multiply
    39,011,740.63x = 53,836,201.11 × 21,609,206.86
  4. Step 4: Simplify right side
    39,011,740.63x = 1,163,357,606,344,026.75
  5. Step 5: Solve for x
    x = 1,163,357,606,344,026.75/39,011,740.63
  6. Step 6: Final answer
    x = 29,820,704.93

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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.