Home / 11,329,038.80-16,991,196.60-4,143,957.20

Finding the Fourth Proportional to 11,329,038.80, 16,991,196.60 and 4,143,957.20

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Solution

The fourth proportional to 11,329,038.80, 16,991,196.60 and 4,143,957.20 is: 6,215,071.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,329,038.80 : 16,991,196.60 = 4,143,957.20 : x
  2. Step 2: Convert to fraction form
    11,329,038.80/16,991,196.60 = 4,143,957.20/x
  3. Step 3: Cross multiply
    11,329,038.80x = 16,991,196.60 × 4,143,957.20
  4. Step 4: Simplify right side
    11,329,038.80x = 70,410,791,487,185.53
  5. Step 5: Solve for x
    x = 70,410,791,487,185.53/11,329,038.80
  6. Step 6: Final answer
    x = 6,215,071.97

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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.