Home / 12,859,632.08-19,286,199.48-4,768,160.72

Finding the Fourth Proportional to 12,859,632.08, 19,286,199.48 and 4,768,160.72

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Solution

The fourth proportional to 12,859,632.08, 19,286,199.48 and 4,768,160.72 is: 7,151,036.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,859,632.08 : 19,286,199.48 = 4,768,160.72 : x
  2. Step 2: Convert to fraction form
    12,859,632.08/19,286,199.48 = 4,768,160.72/x
  3. Step 3: Cross multiply
    12,859,632.08x = 19,286,199.48 × 4,768,160.72
  4. Step 4: Simplify right side
    12,859,632.08x = 91,959,698,798,620.42
  5. Step 5: Solve for x
    x = 91,959,698,798,620.42/12,859,632.08
  6. Step 6: Final answer
    x = 7,151,036.53

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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.