Home / 19,123,368.49-26,389,578.22-10,421,363.53

Finding the Fourth Proportional to 19,123,368.49, 26,389,578.22 and 10,421,363.53

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Solution

The fourth proportional to 19,123,368.49, 26,389,578.22 and 10,421,363.53 is: 14,381,116.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,123,368.49 : 26,389,578.22 = 10,421,363.53 : x
  2. Step 2: Convert to fraction form
    19,123,368.49/26,389,578.22 = 10,421,363.53/x
  3. Step 3: Cross multiply
    19,123,368.49x = 26,389,578.22 × 10,421,363.53
  4. Step 4: Simplify right side
    19,123,368.49x = 275,015,388,033,990.28
  5. Step 5: Solve for x
    x = 275,015,388,033,990.28/19,123,368.49
  6. Step 6: Final answer
    x = 14,381,116.39

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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.