Home / 13,135,740.78-19,705,491.59-4,038,602.20

Finding the Fourth Proportional to 13,135,740.78, 19,705,491.59 and 4,038,602.20

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Solution

The fourth proportional to 13,135,740.78, 19,705,491.59 and 4,038,602.20 is: 6,058,481.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,135,740.78 : 19,705,491.59 = 4,038,602.20 : x
  2. Step 2: Convert to fraction form
    13,135,740.78/19,705,491.59 = 4,038,602.20/x
  3. Step 3: Cross multiply
    13,135,740.78x = 19,705,491.59 × 4,038,602.20
  4. Step 4: Simplify right side
    13,135,740.78x = 79,582,641,687,455.50
  5. Step 5: Solve for x
    x = 79,582,641,687,455.50/13,135,740.78
  6. Step 6: Final answer
    x = 6,058,481.44

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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.