Home / 14,295,864.72-19,728,445.68-7,769,494.52

Finding the Fourth Proportional to 14,295,864.72, 19,728,445.68 and 7,769,494.52

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Solution

The fourth proportional to 14,295,864.72, 19,728,445.68 and 7,769,494.52 is: 10,721,985.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,295,864.72 : 19,728,445.68 = 7,769,494.52 : x
  2. Step 2: Convert to fraction form
    14,295,864.72/19,728,445.68 = 7,769,494.52/x
  3. Step 3: Cross multiply
    14,295,864.72x = 19,728,445.68 × 7,769,494.52
  4. Step 4: Simplify right side
    14,295,864.72x = 153,280,050,461,387.97
  5. Step 5: Solve for x
    x = 153,280,050,461,387.97/14,295,864.72
  6. Step 6: Final answer
    x = 10,721,985.24

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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.