Home / 27,178,165.15-37,507,419.81-15,577,661.05

Finding the Fourth Proportional to 27,178,165.15, 37,507,419.81 and 15,577,661.05

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Solution

The fourth proportional to 27,178,165.15, 37,507,419.81 and 15,577,661.05 is: 21,498,061.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,178,165.15 : 37,507,419.81 = 15,577,661.05 : x
  2. Step 2: Convert to fraction form
    27,178,165.15/37,507,419.81 = 15,577,661.05/x
  3. Step 3: Cross multiply
    27,178,165.15x = 37,507,419.81 × 15,577,661.05
  4. Step 4: Simplify right side
    27,178,165.15x = 584,277,872,566,466.88
  5. Step 5: Solve for x
    x = 584,277,872,566,466.88/27,178,165.15
  6. Step 6: Final answer
    x = 21,498,061.75

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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.