Home / 12,928,695.48-19,398,755.43-6,779,208.69

Finding the Fourth Proportional to 12,928,695.48, 19,398,755.43 and 6,779,208.69

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Solution

The fourth proportional to 12,928,695.48, 19,398,755.43 and 6,779,208.69 is: 10,171,808.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,928,695.48 : 19,398,755.43 = 6,779,208.69 : x
  2. Step 2: Convert to fraction form
    12,928,695.48/19,398,755.43 = 6,779,208.69/x
  3. Step 3: Cross multiply
    12,928,695.48x = 19,398,755.43 × 6,779,208.69
  4. Step 4: Simplify right side
    12,928,695.48x = 131,508,211,386,240.69
  5. Step 5: Solve for x
    x = 131,508,211,386,240.69/12,928,695.48
  6. Step 6: Final answer
    x = 10,171,808.25

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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.