Home / 14,146,828.95-21,235,085.87-12,537,896.79

Finding the Fourth Proportional to 14,146,828.95, 21,235,085.87 and 12,537,896.79

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Solution

The fourth proportional to 14,146,828.95, 21,235,085.87 and 12,537,896.79 is: 18,819,999.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,146,828.95 : 21,235,085.87 = 12,537,896.79 : x
  2. Step 2: Convert to fraction form
    14,146,828.95/21,235,085.87 = 12,537,896.79/x
  3. Step 3: Cross multiply
    14,146,828.95x = 21,235,085.87 × 12,537,896.79
  4. Step 4: Simplify right side
    14,146,828.95x = 266,243,314,902,157.84
  5. Step 5: Solve for x
    x = 266,243,314,902,157.84/14,146,828.95
  6. Step 6: Final answer
    x = 18,819,999.58

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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.