Home / 19,123,367.49-26,389,576.85-10,421,362.53

Finding the Fourth Proportional to 19,123,367.49, 26,389,576.85 and 10,421,362.53

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Solution

The fourth proportional to 19,123,367.49, 26,389,576.85 and 10,421,362.53 is: 14,381,115.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,123,367.49 : 26,389,576.85 = 10,421,362.53 : x
  2. Step 2: Convert to fraction form
    19,123,367.49/26,389,576.85 = 10,421,362.53/x
  3. Step 3: Cross multiply
    19,123,367.49x = 26,389,576.85 × 10,421,362.53
  4. Step 4: Simplify right side
    19,123,367.49x = 275,015,347,315,038.59
  5. Step 5: Solve for x
    x = 275,015,347,315,038.59/19,123,367.49
  6. Step 6: Final answer
    x = 14,381,115.01

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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.