Home / 28,283,486.31-42,407,866.80-10,991,496.67

Finding the Fourth Proportional to 28,283,486.31, 42,407,866.80 and 10,991,496.67

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Solution

The fourth proportional to 28,283,486.31, 42,407,866.80 and 10,991,496.67 is: 16,480,497.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,283,486.31 : 42,407,866.80 = 10,991,496.67 : x
  2. Step 2: Convert to fraction form
    28,283,486.31/42,407,866.80 = 10,991,496.67/x
  3. Step 3: Cross multiply
    28,283,486.31x = 42,407,866.80 × 10,991,496.67
  4. Step 4: Simplify right side
    28,283,486.31x = 466,125,926,607,983.88
  5. Step 5: Solve for x
    x = 466,125,926,607,983.88/28,283,486.31
  6. Step 6: Final answer
    x = 16,480,497.54

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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.