Home / 7,128,935.04-10,677,912.84-4,388,128.32

Finding the Fourth Proportional to 7,128,935.04, 10,677,912.84 and 4,388,128.32

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Solution

The fourth proportional to 7,128,935.04, 10,677,912.84 and 4,388,128.32 is: 6,572,657.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,128,935.04 : 10,677,912.84 = 4,388,128.32 : x
  2. Step 2: Convert to fraction form
    7,128,935.04/10,677,912.84 = 4,388,128.32/x
  3. Step 3: Cross multiply
    7,128,935.04x = 10,677,912.84 × 4,388,128.32
  4. Step 4: Simplify right side
    7,128,935.04x = 46,856,051,731,695.63
  5. Step 5: Solve for x
    x = 46,856,051,731,695.63/7,128,935.04
  6. Step 6: Final answer
    x = 6,572,657.97

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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.