Home / 11,925,172.12-16,466,967.78-11,539,545.32

Finding the Fourth Proportional to 11,925,172.12, 16,466,967.78 and 11,539,545.32

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Solution

The fourth proportional to 11,925,172.12, 16,466,967.78 and 11,539,545.32 is: 15,934,471.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,925,172.12 : 16,466,967.78 = 11,539,545.32 : x
  2. Step 2: Convert to fraction form
    11,925,172.12/16,466,967.78 = 11,539,545.32/x
  3. Step 3: Cross multiply
    11,925,172.12x = 16,466,967.78 × 11,539,545.32
  4. Step 4: Simplify right side
    11,925,172.12x = 190,021,320,980,289.78
  5. Step 5: Solve for x
    x = 190,021,320,980,289.78/11,925,172.12
  6. Step 6: Final answer
    x = 15,934,471.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.