Home / 14,399,174.72-19,870,858.89-7,872,802.45

Finding the Fourth Proportional to 14,399,174.72, 19,870,858.89 and 7,872,802.45

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Solution

The fourth proportional to 14,399,174.72, 19,870,858.89 and 7,872,802.45 is: 10,864,466.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,399,174.72 : 19,870,858.89 = 7,872,802.45 : x
  2. Step 2: Convert to fraction form
    14,399,174.72/19,870,858.89 = 7,872,802.45/x
  3. Step 3: Cross multiply
    14,399,174.72x = 19,870,858.89 × 7,872,802.45
  4. Step 4: Simplify right side
    14,399,174.72x = 156,439,346,503,119.12
  5. Step 5: Solve for x
    x = 156,439,346,503,119.12/14,399,174.72
  6. Step 6: Final answer
    x = 10,864,466.16

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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.