Home / 14,979,679.49-20,592,603.43-12,878,782.16

Finding the Fourth Proportional to 14,979,679.49, 20,592,603.43 and 12,878,782.16

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Solution

The fourth proportional to 14,979,679.49, 20,592,603.43 and 12,878,782.16 is: 17,704,494.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,979,679.49 : 20,592,603.43 = 12,878,782.16 : x
  2. Step 2: Convert to fraction form
    14,979,679.49/20,592,603.43 = 12,878,782.16/x
  3. Step 3: Cross multiply
    14,979,679.49x = 20,592,603.43 × 12,878,782.16
  4. Step 4: Simplify right side
    14,979,679.49x = 265,207,653,682,238.81
  5. Step 5: Solve for x
    x = 265,207,653,682,238.81/14,979,679.49
  6. Step 6: Final answer
    x = 17,704,494.54

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.