Home / 16,749,457.56-23,112,415.26-9,405,803.16

Finding the Fourth Proportional to 16,749,457.56, 23,112,415.26 and 9,405,803.16

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Solution

The fourth proportional to 16,749,457.56, 23,112,415.26 and 9,405,803.16 is: 12,978,977.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,749,457.56 : 23,112,415.26 = 9,405,803.16 : x
  2. Step 2: Convert to fraction form
    16,749,457.56/23,112,415.26 = 9,405,803.16/x
  3. Step 3: Cross multiply
    16,749,457.56x = 23,112,415.26 × 9,405,803.16
  4. Step 4: Simplify right side
    16,749,457.56x = 217,390,828,487,740.25
  5. Step 5: Solve for x
    x = 217,390,828,487,740.25/16,749,457.56
  6. Step 6: Final answer
    x = 12,978,977.24

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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.