Home / 13,161,210.28-18,162,129.06-7,281,061.64

Finding the Fourth Proportional to 13,161,210.28, 18,162,129.06 and 7,281,061.64

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Solution

The fourth proportional to 13,161,210.28, 18,162,129.06 and 7,281,061.64 is: 10,047,676.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,161,210.28 : 18,162,129.06 = 7,281,061.64 : x
  2. Step 2: Convert to fraction form
    13,161,210.28/18,162,129.06 = 7,281,061.64/x
  3. Step 3: Cross multiply
    13,161,210.28x = 18,162,129.06 × 7,281,061.64
  4. Step 4: Simplify right side
    13,161,210.28x = 132,239,581,199,495.25
  5. Step 5: Solve for x
    x = 132,239,581,199,495.25/13,161,210.28
  6. Step 6: Final answer
    x = 10,047,676.34

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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.