Home / 28,382,106.76-39,167,295.06-15,329,360.68

Finding the Fourth Proportional to 28,382,106.76, 39,167,295.06 and 15,329,360.68

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Solution

The fourth proportional to 28,382,106.76, 39,167,295.06 and 15,329,360.68 is: 21,154,511.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,382,106.76 : 39,167,295.06 = 15,329,360.68 : x
  2. Step 2: Convert to fraction form
    28,382,106.76/39,167,295.06 = 15,329,360.68/x
  3. Step 3: Cross multiply
    28,382,106.76x = 39,167,295.06 × 15,329,360.68
  4. Step 4: Simplify right side
    28,382,106.76x = 600,409,592,834,722.25
  5. Step 5: Solve for x
    x = 600,409,592,834,722.25/28,382,106.76
  6. Step 6: Final answer
    x = 21,154,511.11

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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.