Home / 13,808,928.78-20,710,067.04-4,224,390.30

Finding the Fourth Proportional to 13,808,928.78, 20,710,067.04 and 4,224,390.30

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Solution

The fourth proportional to 13,808,928.78, 20,710,067.04 and 4,224,390.30 is: 6,335,567.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,808,928.78 : 20,710,067.04 = 4,224,390.30 : x
  2. Step 2: Convert to fraction form
    13,808,928.78/20,710,067.04 = 4,224,390.30/x
  3. Step 3: Cross multiply
    13,808,928.78x = 20,710,067.04 × 4,224,390.30
  4. Step 4: Simplify right side
    13,808,928.78x = 87,487,406,316,125.70
  5. Step 5: Solve for x
    x = 87,487,406,316,125.70/13,808,928.78
  6. Step 6: Final answer
    x = 6,335,567.93

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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.