Home / 13,640,807.34-18,824,315.76-7,529,237.46

Finding the Fourth Proportional to 13,640,807.34, 18,824,315.76 and 7,529,237.46

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Solution

The fourth proportional to 13,640,807.34, 18,824,315.76 and 7,529,237.46 is: 10,390,348.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,640,807.34 : 18,824,315.76 = 7,529,237.46 : x
  2. Step 2: Convert to fraction form
    13,640,807.34/18,824,315.76 = 7,529,237.46/x
  3. Step 3: Cross multiply
    13,640,807.34x = 18,824,315.76 × 7,529,237.46
  4. Step 4: Simplify right side
    13,640,807.34x = 141,732,743,379,060.38
  5. Step 5: Solve for x
    x = 141,732,743,379,060.38/13,640,807.34
  6. Step 6: Final answer
    x = 10,390,348.59

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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.