Home / 27,507,048.33-37,960,636.80-15,117,580.91

Finding the Fourth Proportional to 27,507,048.33, 37,960,636.80 and 15,117,580.91

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Solution

The fourth proportional to 27,507,048.33, 37,960,636.80 and 15,117,580.91 is: 20,862,761.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,507,048.33 : 37,960,636.80 = 15,117,580.91 : x
  2. Step 2: Convert to fraction form
    27,507,048.33/37,960,636.80 = 15,117,580.91/x
  3. Step 3: Cross multiply
    27,507,048.33x = 37,960,636.80 × 15,117,580.91
  4. Step 4: Simplify right side
    27,507,048.33x = 573,872,998,219,123.50
  5. Step 5: Solve for x
    x = 573,872,998,219,123.50/27,507,048.33
  6. Step 6: Final answer
    x = 20,862,761.84

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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.