Home / 12,959,467.14-17,883,723.18-7,158,124.34

Finding the Fourth Proportional to 12,959,467.14, 17,883,723.18 and 7,158,124.34

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Solution

The fourth proportional to 12,959,467.14, 17,883,723.18 and 7,158,124.34 is: 9,878,022.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,959,467.14 : 17,883,723.18 = 7,158,124.34 : x
  2. Step 2: Convert to fraction form
    12,959,467.14/17,883,723.18 = 7,158,124.34/x
  3. Step 3: Cross multiply
    12,959,467.14x = 17,883,723.18 × 7,158,124.34
  4. Step 4: Simplify right side
    12,959,467.14x = 128,013,914,184,580.20
  5. Step 5: Solve for x
    x = 128,013,914,184,580.20/12,959,467.14
  6. Step 6: Final answer
    x = 9,878,022.98

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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.