Home / 12,452,415.90-18,683,289.45-4,884,812.70

Finding the Fourth Proportional to 12,452,415.90, 18,683,289.45 and 4,884,812.70

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Solution

The fourth proportional to 12,452,415.90, 18,683,289.45 and 4,884,812.70 is: 7,329,049.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,452,415.90 : 18,683,289.45 = 4,884,812.70 : x
  2. Step 2: Convert to fraction form
    12,452,415.90/18,683,289.45 = 4,884,812.70/x
  3. Step 3: Cross multiply
    12,452,415.90x = 18,683,289.45 × 4,884,812.70
  4. Step 4: Simplify right side
    12,452,415.90x = 91,264,369,583,136.02
  5. Step 5: Solve for x
    x = 91,264,369,583,136.02/12,452,415.90
  6. Step 6: Final answer
    x = 7,329,049.26

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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.