Home / 5,425,867.80-8,138,801.70-5,116,210.20

Finding the Fourth Proportional to 5,425,867.80, 8,138,801.70 and 5,116,210.20

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Solution

The fourth proportional to 5,425,867.80, 8,138,801.70 and 5,116,210.20 is: 7,674,315.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,425,867.80 : 8,138,801.70 = 5,116,210.20 : x
  2. Step 2: Convert to fraction form
    5,425,867.80/8,138,801.70 = 5,116,210.20/x
  3. Step 3: Cross multiply
    5,425,867.80x = 8,138,801.70 × 5,116,210.20
  4. Step 4: Simplify right side
    5,425,867.80x = 41,639,820,273,317.34
  5. Step 5: Solve for x
    x = 41,639,820,273,317.34/5,425,867.80
  6. Step 6: Final answer
    x = 7,674,315.30

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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.