Home / 12,065,376.72-18,106,699.68-4,389,006.72

Finding the Fourth Proportional to 12,065,376.72, 18,106,699.68 and 4,389,006.72

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Solution

The fourth proportional to 12,065,376.72, 18,106,699.68 and 4,389,006.72 is: 6,586,651.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,065,376.72 : 18,106,699.68 = 4,389,006.72 : x
  2. Step 2: Convert to fraction form
    12,065,376.72/18,106,699.68 = 4,389,006.72/x
  3. Step 3: Cross multiply
    12,065,376.72x = 18,106,699.68 × 4,389,006.72
  4. Step 4: Simplify right side
    12,065,376.72x = 79,470,426,572,541.84
  5. Step 5: Solve for x
    x = 79,470,426,572,541.84/12,065,376.72
  6. Step 6: Final answer
    x = 6,586,651.08

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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.