Home / 19,123,369.49-26,389,579.60-10,421,364.53

Finding the Fourth Proportional to 19,123,369.49, 26,389,579.60 and 10,421,364.53

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Solution

The fourth proportional to 19,123,369.49, 26,389,579.60 and 10,421,364.53 is: 14,381,117.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,123,369.49 : 26,389,579.60 = 10,421,364.53 : x
  2. Step 2: Convert to fraction form
    19,123,369.49/26,389,579.60 = 10,421,364.53/x
  3. Step 3: Cross multiply
    19,123,369.49x = 26,389,579.60 × 10,421,364.53
  4. Step 4: Simplify right side
    19,123,369.49x = 275,015,428,805,051.59
  5. Step 5: Solve for x
    x = 275,015,428,805,051.59/19,123,369.49
  6. Step 6: Final answer
    x = 14,381,117.77

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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.