Home / 14,399,175.47-19,870,859.93-7,872,803.20

Finding the Fourth Proportional to 14,399,175.47, 19,870,859.93 and 7,872,803.20

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Solution

The fourth proportional to 14,399,175.47, 19,870,859.93 and 7,872,803.20 is: 10,864,467.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,399,175.47 : 19,870,859.93 = 7,872,803.20 : x
  2. Step 2: Convert to fraction form
    14,399,175.47/19,870,859.93 = 7,872,803.20/x
  3. Step 3: Cross multiply
    14,399,175.47x = 19,870,859.93 × 7,872,803.20
  4. Step 4: Simplify right side
    14,399,175.47x = 156,439,369,554,614.62
  5. Step 5: Solve for x
    x = 156,439,369,554,614.62/14,399,175.47
  6. Step 6: Final answer
    x = 10,864,467.19

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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.