Home / 28,159,635-38,860,296.30-15,282,579

Finding the Fourth Proportional to 28,159,635, 38,860,296.30 and 15,282,579

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Solution

The fourth proportional to 28,159,635, 38,860,296.30 and 15,282,579 is: 21,089,959.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,159,635 : 38,860,296.30 = 15,282,579 : x
  2. Step 2: Convert to fraction form
    28,159,635/38,860,296.30 = 15,282,579/x
  3. Step 3: Cross multiply
    28,159,635x = 38,860,296.30 × 15,282,579
  4. Step 4: Simplify right side
    28,159,635x = 593,885,548,168,157.62
  5. Step 5: Solve for x
    x = 593,885,548,168,157.62/28,159,635
  6. Step 6: Final answer
    x = 21,089,959.02

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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.