Home / 14,295,864.85-19,728,445.85-7,769,494.65

Finding the Fourth Proportional to 14,295,864.85, 19,728,445.85 and 7,769,494.65

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Solution

The fourth proportional to 14,295,864.85, 19,728,445.85 and 7,769,494.65 is: 10,721,985.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,295,864.85 : 19,728,445.85 = 7,769,494.65 : x
  2. Step 2: Convert to fraction form
    14,295,864.85/19,728,445.85 = 7,769,494.65/x
  3. Step 3: Cross multiply
    14,295,864.85x = 19,728,445.85 × 7,769,494.65
  4. Step 4: Simplify right side
    14,295,864.85x = 153,280,054,484,389.72
  5. Step 5: Solve for x
    x = 153,280,054,484,389.72/14,295,864.85
  6. Step 6: Final answer
    x = 10,721,985.42

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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.