Home / 20,326,420.02-30,484,979.01-12,131,376.24

Finding the Fourth Proportional to 20,326,420.02, 30,484,979.01 and 12,131,376.24

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Solution

The fourth proportional to 20,326,420.02, 30,484,979.01 and 12,131,376.24 is: 18,194,288.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,326,420.02 : 30,484,979.01 = 12,131,376.24 : x
  2. Step 2: Convert to fraction form
    20,326,420.02/30,484,979.01 = 12,131,376.24/x
  3. Step 3: Cross multiply
    20,326,420.02x = 30,484,979.01 × 12,131,376.24
  4. Step 4: Simplify right side
    20,326,420.02x = 369,824,750,038,812.75
  5. Step 5: Solve for x
    x = 369,824,750,038,812.75/20,326,420.02
  6. Step 6: Final answer
    x = 18,194,288.50

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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.