Home / 14,295,854.85-19,728,432.08-7,769,484.64

Finding the Fourth Proportional to 14,295,854.85, 19,728,432.08 and 7,769,484.64

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Solution

The fourth proportional to 14,295,854.85, 19,728,432.08 and 7,769,484.64 is: 10,721,971.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,295,854.85 : 19,728,432.08 = 7,769,484.64 : x
  2. Step 2: Convert to fraction form
    14,295,854.85/19,728,432.08 = 7,769,484.64/x
  3. Step 3: Cross multiply
    14,295,854.85x = 19,728,432.08 × 7,769,484.64
  4. Step 4: Simplify right side
    14,295,854.85x = 153,279,750,016,843.22
  5. Step 5: Solve for x
    x = 153,279,750,016,843.22/14,295,854.85
  6. Step 6: Final answer
    x = 10,721,971.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.