Home / 7,047,620.40-10,571,430.60-4,921,856.40

Finding the Fourth Proportional to 7,047,620.40, 10,571,430.60 and 4,921,856.40

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Solution

The fourth proportional to 7,047,620.40, 10,571,430.60 and 4,921,856.40 is: 7,382,784.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,047,620.40 : 10,571,430.60 = 4,921,856.40 : x
  2. Step 2: Convert to fraction form
    7,047,620.40/10,571,430.60 = 4,921,856.40/x
  3. Step 3: Cross multiply
    7,047,620.40x = 10,571,430.60 × 4,921,856.40
  4. Step 4: Simplify right side
    7,047,620.40x = 52,031,063,355,765.84
  5. Step 5: Solve for x
    x = 52,031,063,355,765.84/7,047,620.40
  6. Step 6: Final answer
    x = 7,382,784.60

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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.