Home / 28,444,459.50-42,672,071.14-9,018,578.30

Finding the Fourth Proportional to 28,444,459.50, 42,672,071.14 and 9,018,578.30

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Solution

The fourth proportional to 28,444,459.50, 42,672,071.14 and 9,018,578.30 is: 13,529,573.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,444,459.50 : 42,672,071.14 = 9,018,578.30 : x
  2. Step 2: Convert to fraction form
    28,444,459.50/42,672,071.14 = 9,018,578.30/x
  3. Step 3: Cross multiply
    28,444,459.50x = 42,672,071.14 × 9,018,578.30
  4. Step 4: Simplify right side
    28,444,459.50x = 384,841,414,799,260.31
  5. Step 5: Solve for x
    x = 384,841,414,799,260.31/28,444,459.50
  6. Step 6: Final answer
    x = 13,529,573.83

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1.5x scale

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.