Home / 13,418,776-18,518,688.32-10,105,138.24

Finding the Fourth Proportional to 13,418,776, 18,518,688.32 and 10,105,138.24

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Solution

The fourth proportional to 13,418,776, 18,518,688.32 and 10,105,138.24 is: 13,945,676.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,418,776 : 18,518,688.32 = 10,105,138.24 : x
  2. Step 2: Convert to fraction form
    13,418,776/18,518,688.32 = 10,105,138.24/x
  3. Step 3: Cross multiply
    13,418,776x = 18,518,688.32 × 10,105,138.24
  4. Step 4: Simplify right side
    13,418,776x = 187,133,905,497,073.38
  5. Step 5: Solve for x
    x = 187,133,905,497,073.38/13,418,776
  6. Step 6: Final answer
    x = 13,945,676.23

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Double scale
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1.5x scale

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.