Home / 15,704,443.20-23,556,664.80-13,203,681.60

Finding the Fourth Proportional to 15,704,443.20, 23,556,664.80 and 13,203,681.60

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Solution

The fourth proportional to 15,704,443.20, 23,556,664.80 and 13,203,681.60 is: 19,805,522.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,704,443.20 : 23,556,664.80 = 13,203,681.60 : x
  2. Step 2: Convert to fraction form
    15,704,443.20/23,556,664.80 = 13,203,681.60/x
  3. Step 3: Cross multiply
    15,704,443.20x = 23,556,664.80 × 13,203,681.60
  4. Step 4: Simplify right side
    15,704,443.20x = 311,034,701,577,127.69
  5. Step 5: Solve for x
    x = 311,034,701,577,127.69/15,704,443.20
  6. Step 6: Final answer
    x = 19,805,522.40

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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.