Home / 10,564,988.28-15,824,705.48-7,134,410.54

Finding the Fourth Proportional to 10,564,988.28, 15,824,705.48 and 7,134,410.54

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Solution

The fourth proportional to 10,564,988.28, 15,824,705.48 and 7,134,410.54 is: 10,686,234.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,564,988.28 : 15,824,705.48 = 7,134,410.54 : x
  2. Step 2: Convert to fraction form
    10,564,988.28/15,824,705.48 = 7,134,410.54/x
  3. Step 3: Cross multiply
    10,564,988.28x = 15,824,705.48 × 7,134,410.54
  4. Step 4: Simplify right side
    10,564,988.28x = 112,899,945,454,112.17
  5. Step 5: Solve for x
    x = 112,899,945,454,112.17/10,564,988.28
  6. Step 6: Final answer
    x = 10,686,234.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.