Home / 12,616,557.84-18,926,411.04-4,939,211.16

Finding the Fourth Proportional to 12,616,557.84, 18,926,411.04 and 4,939,211.16

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Solution

The fourth proportional to 12,616,557.84, 18,926,411.04 and 4,939,211.16 is: 7,409,433.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,616,557.84 : 18,926,411.04 = 4,939,211.16 : x
  2. Step 2: Convert to fraction form
    12,616,557.84/18,926,411.04 = 4,939,211.16/x
  3. Step 3: Cross multiply
    12,616,557.84x = 18,926,411.04 × 4,939,211.16
  4. Step 4: Simplify right side
    12,616,557.84x = 93,481,540,627,515.20
  5. Step 5: Solve for x
    x = 93,481,540,627,515.20/12,616,557.84
  6. Step 6: Final answer
    x = 7,409,433.05

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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.