Home / 13,800,938.81-19,045,424.27-7,606,206.77

Finding the Fourth Proportional to 13,800,938.81, 19,045,424.27 and 7,606,206.77

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Solution

The fourth proportional to 13,800,938.81, 19,045,424.27 and 7,606,206.77 is: 10,496,636.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,800,938.81 : 19,045,424.27 = 7,606,206.77 : x
  2. Step 2: Convert to fraction form
    13,800,938.81/19,045,424.27 = 7,606,206.77/x
  3. Step 3: Cross multiply
    13,800,938.81x = 19,045,424.27 × 7,606,206.77
  4. Step 4: Simplify right side
    13,800,938.81x = 144,863,434,943,784.72
  5. Step 5: Solve for x
    x = 144,863,434,943,784.72/13,800,938.81
  6. Step 6: Final answer
    x = 10,496,636.28

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1.5x scale

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.