Home / 15,740,307.81-21,731,654.03-12,846,601.17

Finding the Fourth Proportional to 15,740,307.81, 21,731,654.03 and 12,846,601.17

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Solution

The fourth proportional to 15,740,307.81, 21,731,654.03 and 12,846,601.17 is: 17,736,495.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,740,307.81 : 21,731,654.03 = 12,846,601.17 : x
  2. Step 2: Convert to fraction form
    15,740,307.81/21,731,654.03 = 12,846,601.17/x
  3. Step 3: Cross multiply
    15,740,307.81x = 21,731,654.03 × 12,846,601.17
  4. Step 4: Simplify right side
    15,740,307.81x = 279,177,892,023,600.19
  5. Step 5: Solve for x
    x = 279,177,892,023,600.19/15,740,307.81
  6. Step 6: Final answer
    x = 17,736,495.08

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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.