Home / 14,389,865.65-19,860,040.07-9,161,203.60

Finding the Fourth Proportional to 14,389,865.65, 19,860,040.07 and 9,161,203.60

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Solution

The fourth proportional to 14,389,865.65, 19,860,040.07 and 9,161,203.60 is: 12,643,750.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,389,865.65 : 19,860,040.07 = 9,161,203.60 : x
  2. Step 2: Convert to fraction form
    14,389,865.65/19,860,040.07 = 9,161,203.60/x
  3. Step 3: Cross multiply
    14,389,865.65x = 19,860,040.07 × 9,161,203.60
  4. Step 4: Simplify right side
    14,389,865.65x = 181,941,870,524,326.66
  5. Step 5: Solve for x
    x = 181,941,870,524,326.66/14,389,865.65
  6. Step 6: Final answer
    x = 12,643,750.47

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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.