Home / 7,676,418.15-11,518,612.35-3,130,801.83

Finding the Fourth Proportional to 7,676,418.15, 11,518,612.35 and 3,130,801.83

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Solution

The fourth proportional to 7,676,418.15, 11,518,612.35 and 3,130,801.83 is: 4,697,828.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,676,418.15 : 11,518,612.35 = 3,130,801.83 : x
  2. Step 2: Convert to fraction form
    7,676,418.15/11,518,612.35 = 3,130,801.83/x
  3. Step 3: Cross multiply
    7,676,418.15x = 11,518,612.35 × 3,130,801.83
  4. Step 4: Simplify right side
    7,676,418.15x = 36,062,492,624,440.60
  5. Step 5: Solve for x
    x = 36,062,492,624,440.60/7,676,418.15
  6. Step 6: Final answer
    x = 4,697,828.07

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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.