Home / 13,013,277.06-19,403,573.43-12,655,745.46

Finding the Fourth Proportional to 13,013,277.06, 19,403,573.43 and 12,655,745.46

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Solution

The fourth proportional to 13,013,277.06, 19,403,573.43 and 12,655,745.46 is: 18,870,472.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,013,277.06 : 19,403,573.43 = 12,655,745.46 : x
  2. Step 2: Convert to fraction form
    13,013,277.06/19,403,573.43 = 12,655,745.46/x
  3. Step 3: Cross multiply
    13,013,277.06x = 19,403,573.43 × 12,655,745.46
  4. Step 4: Simplify right side
    13,013,277.06x = 245,566,686,344,499.16
  5. Step 5: Solve for x
    x = 245,566,686,344,499.16/13,013,277.06
  6. Step 6: Final answer
    x = 18,870,472.46

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.