Home / 19,277,373.48-28,898,878.14-7,318,507.56

Finding the Fourth Proportional to 19,277,373.48, 28,898,878.14 and 7,318,507.56

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Solution

The fourth proportional to 19,277,373.48, 28,898,878.14 and 7,318,507.56 is: 10,971,238.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,277,373.48 : 28,898,878.14 = 7,318,507.56 : x
  2. Step 2: Convert to fraction form
    19,277,373.48/28,898,878.14 = 7,318,507.56/x
  3. Step 3: Cross multiply
    19,277,373.48x = 28,898,878.14 × 7,318,507.56
  4. Step 4: Simplify right side
    19,277,373.48x = 211,496,658,143,108.72
  5. Step 5: Solve for x
    x = 211,496,658,143,108.72/19,277,373.48
  6. Step 6: Final answer
    x = 10,971,238.29

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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.