Home / 18,677,440.52-25,775,261.56-10,528,678.52

Finding the Fourth Proportional to 18,677,440.52, 25,775,261.56 and 10,528,678.52

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Solution

The fourth proportional to 18,677,440.52, 25,775,261.56 and 10,528,678.52 is: 14,529,798.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,677,440.52 : 25,775,261.56 = 10,528,678.52 : x
  2. Step 2: Convert to fraction form
    18,677,440.52/25,775,261.56 = 10,528,678.52/x
  3. Step 3: Cross multiply
    18,677,440.52x = 25,775,261.56 × 10,528,678.52
  4. Step 4: Simplify right side
    18,677,440.52x = 271,379,442,734,153.66
  5. Step 5: Solve for x
    x = 271,379,442,734,153.66/18,677,440.52
  6. Step 6: Final answer
    x = 14,529,798.26

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1.5x scale

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.