Home / 14,830,129.54-20,465,908.40-8,464,855.83

Finding the Fourth Proportional to 14,830,129.54, 20,465,908.40 and 8,464,855.83

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Solution

The fourth proportional to 14,830,129.54, 20,465,908.40 and 8,464,855.83 is: 11,681,689.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,830,129.54 : 20,465,908.40 = 8,464,855.83 : x
  2. Step 2: Convert to fraction form
    14,830,129.54/20,465,908.40 = 8,464,855.83/x
  3. Step 3: Cross multiply
    14,830,129.54x = 20,465,908.40 × 8,464,855.83
  4. Step 4: Simplify right side
    14,830,129.54x = 173,240,963,891,332.12
  5. Step 5: Solve for x
    x = 173,240,963,891,332.12/14,830,129.54
  6. Step 6: Final answer
    x = 11,681,689.19

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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.