Home / 13,109,014.32-18,091,516.84-7,229,798.48

Finding the Fourth Proportional to 13,109,014.32, 18,091,516.84 and 7,229,798.48

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Solution

The fourth proportional to 13,109,014.32, 18,091,516.84 and 7,229,798.48 is: 9,977,715.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,109,014.32 : 18,091,516.84 = 7,229,798.48 : x
  2. Step 2: Convert to fraction form
    13,109,014.32/18,091,516.84 = 7,229,798.48/x
  3. Step 3: Cross multiply
    13,109,014.32x = 18,091,516.84 × 7,229,798.48
  4. Step 4: Simplify right side
    13,109,014.32x = 130,798,020,950,726.41
  5. Step 5: Solve for x
    x = 130,798,020,950,726.41/13,109,014.32
  6. Step 6: Final answer
    x = 9,977,715.93

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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.