Home / 15,919,468.78-23,883,888.21-5,136,567.34

Finding the Fourth Proportional to 15,919,468.78, 23,883,888.21 and 5,136,567.34

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Solution

The fourth proportional to 15,919,468.78, 23,883,888.21 and 5,136,567.34 is: 7,706,362.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,919,468.78 : 23,883,888.21 = 5,136,567.34 : x
  2. Step 2: Convert to fraction form
    15,919,468.78/23,883,888.21 = 5,136,567.34/x
  3. Step 3: Cross multiply
    15,919,468.78x = 23,883,888.21 × 5,136,567.34
  4. Step 4: Simplify right side
    15,919,468.78x = 122,681,199,986,594.78
  5. Step 5: Solve for x
    x = 122,681,199,986,594.78/15,919,468.78
  6. Step 6: Final answer
    x = 7,706,362.68

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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.