Home / 9,765,977.20-13,475,809.80-5,354,541.92

Finding the Fourth Proportional to 9,765,977.20, 13,475,809.80 and 5,354,541.92

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Solution

The fourth proportional to 9,765,977.20, 13,475,809.80 and 5,354,541.92 is: 7,388,588.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,765,977.20 : 13,475,809.80 = 5,354,541.92 : x
  2. Step 2: Convert to fraction form
    9,765,977.20/13,475,809.80 = 5,354,541.92/x
  3. Step 3: Cross multiply
    9,765,977.20x = 13,475,809.80 × 5,354,541.92
  4. Step 4: Simplify right side
    9,765,977.20x = 72,156,788,480,046.81
  5. Step 5: Solve for x
    x = 72,156,788,480,046.81/9,765,977.20
  6. Step 6: Final answer
    x = 7,388,588.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.