Home / 19,586,311.37-27,000,622.89-13,687,632.02

Finding the Fourth Proportional to 19,586,311.37, 27,000,622.89 and 13,687,632.02

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Solution

The fourth proportional to 19,586,311.37, 27,000,622.89 and 13,687,632.02 is: 18,869,024.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,586,311.37 : 27,000,622.89 = 13,687,632.02 : x
  2. Step 2: Convert to fraction form
    19,586,311.37/27,000,622.89 = 13,687,632.02/x
  3. Step 3: Cross multiply
    19,586,311.37x = 27,000,622.89 × 13,687,632.02
  4. Step 4: Simplify right side
    19,586,311.37x = 369,574,590,496,610.50
  5. Step 5: Solve for x
    x = 369,574,590,496,610.50/19,586,311.37
  6. Step 6: Final answer
    x = 18,869,024.57

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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.