Home / 10,380,047.37-15,573,402.60-4,989,088.72

Finding the Fourth Proportional to 10,380,047.37, 15,573,402.60 and 4,989,088.72

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Solution

The fourth proportional to 10,380,047.37, 15,573,402.60 and 4,989,088.72 is: 7,485,234.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,380,047.37 : 15,573,402.60 = 4,989,088.72 : x
  2. Step 2: Convert to fraction form
    10,380,047.37/15,573,402.60 = 4,989,088.72/x
  3. Step 3: Cross multiply
    10,380,047.37x = 15,573,402.60 × 4,989,088.72
  4. Step 4: Simplify right side
    10,380,047.37x = 77,697,087,244,436.34
  5. Step 5: Solve for x
    x = 77,697,087,244,436.34/10,380,047.37
  6. Step 6: Final answer
    x = 7,485,234.36

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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.