Home / 13,319,291.40-19,970,846.82-5,222,566.50

Finding the Fourth Proportional to 13,319,291.40, 19,970,846.82 and 5,222,566.50

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Solution

The fourth proportional to 13,319,291.40, 19,970,846.82 and 5,222,566.50 is: 7,830,677.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,319,291.40 : 19,970,846.82 = 5,222,566.50 : x
  2. Step 2: Convert to fraction form
    13,319,291.40/19,970,846.82 = 5,222,566.50/x
  3. Step 3: Cross multiply
    13,319,291.40x = 19,970,846.82 × 5,222,566.50
  4. Step 4: Simplify right side
    13,319,291.40x = 104,299,075,578,763.53
  5. Step 5: Solve for x
    x = 104,299,075,578,763.53/13,319,291.40
  6. Step 6: Final answer
    x = 7,830,677.51

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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.