Home / 10,300,890.40-15,451,258.80-3,112,410.40

Finding the Fourth Proportional to 10,300,890.40, 15,451,258.80 and 3,112,410.40

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Solution

The fourth proportional to 10,300,890.40, 15,451,258.80 and 3,112,410.40 is: 4,668,592.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,300,890.40 : 15,451,258.80 = 3,112,410.40 : x
  2. Step 2: Convert to fraction form
    10,300,890.40/15,451,258.80 = 3,112,410.40/x
  3. Step 3: Cross multiply
    10,300,890.40x = 15,451,258.80 × 3,112,410.40
  4. Step 4: Simplify right side
    10,300,890.40x = 48,090,658,582,211.52
  5. Step 5: Solve for x
    x = 48,090,658,582,211.52/10,300,890.40
  6. Step 6: Final answer
    x = 4,668,592.39

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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.