Home / 28,828,483.22-39,826,518.46-18,928,852.76

Finding the Fourth Proportional to 28,828,483.22, 39,826,518.46 and 18,928,852.76

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Solution

The fourth proportional to 28,828,483.22, 39,826,518.46 and 18,928,852.76 is: 26,150,189.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,828,483.22 : 39,826,518.46 = 18,928,852.76 : x
  2. Step 2: Convert to fraction form
    28,828,483.22/39,826,518.46 = 18,928,852.76/x
  3. Step 3: Cross multiply
    28,828,483.22x = 39,826,518.46 × 18,928,852.76
  4. Step 4: Simplify right side
    28,828,483.22x = 753,870,303,626,307.25
  5. Step 5: Solve for x
    x = 753,870,303,626,307.25/28,828,483.22
  6. Step 6: Final answer
    x = 26,150,189.66

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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.