Home / 12,928,558.14-19,398,549.96-6,779,071.38

Finding the Fourth Proportional to 12,928,558.14, 19,398,549.96 and 6,779,071.38

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Solution

The fourth proportional to 12,928,558.14, 19,398,549.96 and 6,779,071.38 is: 10,171,602.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,928,558.14 : 19,398,549.96 = 6,779,071.38 : x
  2. Step 2: Convert to fraction form
    12,928,558.14/19,398,549.96 = 6,779,071.38/x
  3. Step 3: Cross multiply
    12,928,558.14x = 19,398,549.96 × 6,779,071.38
  4. Step 4: Simplify right side
    12,928,558.14x = 131,504,154,847,336.16
  5. Step 5: Solve for x
    x = 131,504,154,847,336.16/12,928,558.14
  6. Step 6: Final answer
    x = 10,171,602.54

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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.