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Finding the Fourth Proportional to 13,797,916.18, 19,041,960.40 and 7,602,955.39

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Solution

The fourth proportional to 13,797,916.18, 19,041,960.40 and 7,602,955.39 is: 10,492,539.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,797,916.18 : 19,041,960.40 = 7,602,955.39 : x
  2. Step 2: Convert to fraction form
    13,797,916.18/19,041,960.40 = 7,602,955.39/x
  3. Step 3: Cross multiply
    13,797,916.18x = 19,041,960.40 × 7,602,955.39
  4. Step 4: Simplify right side
    13,797,916.18x = 144,775,175,466,785.94
  5. Step 5: Solve for x
    x = 144,775,175,466,785.94/13,797,916.18
  6. Step 6: Final answer
    x = 10,492,539.14

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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.