Home / 10,478,179.43-15,717,269.87-2,905,145.39

Finding the Fourth Proportional to 10,478,179.43, 15,717,269.87 and 2,905,145.39

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Solution

The fourth proportional to 10,478,179.43, 15,717,269.87 and 2,905,145.39 is: 4,357,718.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,478,179.43 : 15,717,269.87 = 2,905,145.39 : x
  2. Step 2: Convert to fraction form
    10,478,179.43/15,717,269.87 = 2,905,145.39/x
  3. Step 3: Cross multiply
    10,478,179.43x = 15,717,269.87 × 2,905,145.39
  4. Step 4: Simplify right side
    10,478,179.43x = 45,660,954,091,690.67
  5. Step 5: Solve for x
    x = 45,660,954,091,690.67/10,478,179.43
  6. Step 6: Final answer
    x = 4,357,718.28

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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.