Home / 30,404,474.69-45,606,700.55-12,208,664.45

Finding the Fourth Proportional to 30,404,474.69, 45,606,700.55 and 12,208,664.45

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Solution

The fourth proportional to 30,404,474.69, 45,606,700.55 and 12,208,664.45 is: 18,312,992.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,404,474.69 : 45,606,700.55 = 12,208,664.45 : x
  2. Step 2: Convert to fraction form
    30,404,474.69/45,606,700.55 = 12,208,664.45/x
  3. Step 3: Cross multiply
    30,404,474.69x = 45,606,700.55 × 12,208,664.45
  4. Step 4: Simplify right side
    30,404,474.69x = 556,796,903,831,118.94
  5. Step 5: Solve for x
    x = 556,796,903,831,118.94/30,404,474.69
  6. Step 6: Final answer
    x = 18,312,992.07

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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.