Home / 7,018,752.90-9,685,532.16-3,920,661.66

Finding the Fourth Proportional to 7,018,752.90, 9,685,532.16 and 3,920,661.66

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Solution

The fourth proportional to 7,018,752.90, 9,685,532.16 and 3,920,661.66 is: 5,410,319.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,018,752.90 : 9,685,532.16 = 3,920,661.66 : x
  2. Step 2: Convert to fraction form
    7,018,752.90/9,685,532.16 = 3,920,661.66/x
  3. Step 3: Cross multiply
    7,018,752.90x = 9,685,532.16 × 3,920,661.66
  4. Step 4: Simplify right side
    7,018,752.90x = 37,973,694,596,408.98
  5. Step 5: Solve for x
    x = 37,973,694,596,408.98/7,018,752.90
  6. Step 6: Final answer
    x = 5,410,319.35

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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.