Home / 13,889,834.64-19,167,971.18-7,610,387.18

Finding the Fourth Proportional to 13,889,834.64, 19,167,971.18 and 7,610,387.18

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Solution

The fourth proportional to 13,889,834.64, 19,167,971.18 and 7,610,387.18 is: 10,502,333.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,889,834.64 : 19,167,971.18 = 7,610,387.18 : x
  2. Step 2: Convert to fraction form
    13,889,834.64/19,167,971.18 = 7,610,387.18/x
  3. Step 3: Cross multiply
    13,889,834.64x = 19,167,971.18 × 7,610,387.18
  4. Step 4: Simplify right side
    13,889,834.64x = 145,875,682,000,989.69
  5. Step 5: Solve for x
    x = 145,875,682,000,989.69/13,889,834.64
  6. Step 6: Final answer
    x = 10,502,333.96

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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.