Home / 13,302,916.10-19,957,326.60-6,112,716.20

Finding the Fourth Proportional to 13,302,916.10, 19,957,326.60 and 6,112,716.20

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Solution

The fourth proportional to 13,302,916.10, 19,957,326.60 and 6,112,716.20 is: 9,170,430.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,302,916.10 : 19,957,326.60 = 6,112,716.20 : x
  2. Step 2: Convert to fraction form
    13,302,916.10/19,957,326.60 = 6,112,716.20/x
  3. Step 3: Cross multiply
    13,302,916.10x = 19,957,326.60 × 6,112,716.20
  4. Step 4: Simplify right side
    13,302,916.10x = 121,993,473,616,510.94
  5. Step 5: Solve for x
    x = 121,993,473,616,510.94/13,302,916.10
  6. Step 6: Final answer
    x = 9,170,430.96

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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.