Home / 13,245,965.07-19,852,326.40-5,664,015.15

Finding the Fourth Proportional to 13,245,965.07, 19,852,326.40 and 5,664,015.15

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Solution

The fourth proportional to 13,245,965.07, 19,852,326.40 and 5,664,015.15 is: 8,488,915.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,245,965.07 : 19,852,326.40 = 5,664,015.15 : x
  2. Step 2: Convert to fraction form
    13,245,965.07/19,852,326.40 = 5,664,015.15/x
  3. Step 3: Cross multiply
    13,245,965.07x = 19,852,326.40 × 5,664,015.15
  4. Step 4: Simplify right side
    13,245,965.07x = 112,443,877,492,344.95
  5. Step 5: Solve for x
    x = 112,443,877,492,344.95/13,245,965.07
  6. Step 6: Final answer
    x = 8,488,915.45

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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.