Home / 13,286,595.15-19,928,855.93-5,197,999.95

Finding the Fourth Proportional to 13,286,595.15, 19,928,855.93 and 5,197,999.95

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Solution

The fourth proportional to 13,286,595.15, 19,928,855.93 and 5,197,999.95 is: 7,796,594.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,286,595.15 : 19,928,855.93 = 5,197,999.95 : x
  2. Step 2: Convert to fraction form
    13,286,595.15/19,928,855.93 = 5,197,999.95/x
  3. Step 3: Cross multiply
    13,286,595.15x = 19,928,855.93 × 5,197,999.95
  4. Step 4: Simplify right side
    13,286,595.15x = 103,590,192,101,707.22
  5. Step 5: Solve for x
    x = 103,590,192,101,707.22/13,286,595.15
  6. Step 6: Final answer
    x = 7,796,594.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.