Home / 12,775,646.04-19,162,389.56-4,139,563.72

Finding the Fourth Proportional to 12,775,646.04, 19,162,389.56 and 4,139,563.72

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Solution

The fourth proportional to 12,775,646.04, 19,162,389.56 and 4,139,563.72 is: 6,208,995.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,775,646.04 : 19,162,389.56 = 4,139,563.72 : x
  2. Step 2: Convert to fraction form
    12,775,646.04/19,162,389.56 = 4,139,563.72/x
  3. Step 3: Cross multiply
    12,775,646.04x = 19,162,389.56 × 4,139,563.72
  4. Step 4: Simplify right side
    12,775,646.04x = 79,323,932,611,082.77
  5. Step 5: Solve for x
    x = 79,323,932,611,082.77/12,775,646.04
  6. Step 6: Final answer
    x = 6,208,995.80

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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.