Home / 13,553,713.32-18,704,124.48-7,442,141.82

Finding the Fourth Proportional to 13,553,713.32, 18,704,124.48 and 7,442,141.82

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Solution

The fourth proportional to 13,553,713.32, 18,704,124.48 and 7,442,141.82 is: 10,270,155.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,553,713.32 : 18,704,124.48 = 7,442,141.82 : x
  2. Step 2: Convert to fraction form
    13,553,713.32/18,704,124.48 = 7,442,141.82/x
  3. Step 3: Cross multiply
    13,553,713.32x = 18,704,124.48 × 7,442,141.82
  4. Step 4: Simplify right side
    13,553,713.32x = 139,198,746,999,093.77
  5. Step 5: Solve for x
    x = 139,198,746,999,093.77/13,553,713.32
  6. Step 6: Final answer
    x = 10,270,155.77

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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.