Home / 13,358,900.16-18,435,271.68-7,247,329.92

Finding the Fourth Proportional to 13,358,900.16, 18,435,271.68 and 7,247,329.92

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Solution

The fourth proportional to 13,358,900.16, 18,435,271.68 and 7,247,329.92 is: 10,001,309.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,358,900.16 : 18,435,271.68 = 7,247,329.92 : x
  2. Step 2: Convert to fraction form
    13,358,900.16/18,435,271.68 = 7,247,329.92/x
  3. Step 3: Cross multiply
    13,358,900.16x = 18,435,271.68 × 7,247,329.92
  4. Step 4: Simplify right side
    13,358,900.16x = 133,606,496,029,792.66
  5. Step 5: Solve for x
    x = 133,606,496,029,792.66/13,358,900.16
  6. Step 6: Final answer
    x = 10,001,309.57

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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.