Home / 13,168,379.95-18,173,070.34-7,366,815.70

Finding the Fourth Proportional to 13,168,379.95, 18,173,070.34 and 7,366,815.70

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Solution

The fourth proportional to 13,168,379.95, 18,173,070.34 and 7,366,815.70 is: 10,166,600.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,168,379.95 : 18,173,070.34 = 7,366,815.70 : x
  2. Step 2: Convert to fraction form
    13,168,379.95/18,173,070.34 = 7,366,815.70/x
  3. Step 3: Cross multiply
    13,168,379.95x = 18,173,070.34 × 7,366,815.70
  4. Step 4: Simplify right side
    13,168,379.95x = 133,877,659,834,066.61
  5. Step 5: Solve for x
    x = 133,877,659,834,066.61/13,168,379.95
  6. Step 6: Final answer
    x = 10,166,600.63

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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.