Home / 21,421,940.99-32,132,841.41-7,775,069.19

Finding the Fourth Proportional to 21,421,940.99, 32,132,841.41 and 7,775,069.19

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Solution

The fourth proportional to 21,421,940.99, 32,132,841.41 and 7,775,069.19 is: 11,662,578.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,421,940.99 : 32,132,841.41 = 7,775,069.19 : x
  2. Step 2: Convert to fraction form
    21,421,940.99/32,132,841.41 = 7,775,069.19/x
  3. Step 3: Cross multiply
    21,421,940.99x = 32,132,841.41 × 7,775,069.19
  4. Step 4: Simplify right side
    21,421,940.99x = 249,835,065,132,986.69
  5. Step 5: Solve for x
    x = 249,835,065,132,986.69/21,421,940.99
  6. Step 6: Final answer
    x = 11,662,578.35

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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.