Home / 21,411,751.20-32,106,999.60-7,764,352.80

Finding the Fourth Proportional to 21,411,751.20, 32,106,999.60 and 7,764,352.80

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Solution

The fourth proportional to 21,411,751.20, 32,106,999.60 and 7,764,352.80 is: 11,642,675.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,411,751.20 : 32,106,999.60 = 7,764,352.80 : x
  2. Step 2: Convert to fraction form
    21,411,751.20/32,106,999.60 = 7,764,352.80/x
  3. Step 3: Cross multiply
    21,411,751.20x = 32,106,999.60 × 7,764,352.80
  4. Step 4: Simplify right side
    21,411,751.20x = 249,290,072,243,858.88
  5. Step 5: Solve for x
    x = 249,290,072,243,858.88/21,411,751.20
  6. Step 6: Final answer
    x = 11,642,675.55

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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.