Home / 8,749,320.28-12,075,152.46-5,077,448.44

Finding the Fourth Proportional to 8,749,320.28, 12,075,152.46 and 5,077,448.44

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Solution

The fourth proportional to 8,749,320.28, 12,075,152.46 and 5,077,448.44 is: 7,007,511.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,749,320.28 : 12,075,152.46 = 5,077,448.44 : x
  2. Step 2: Convert to fraction form
    8,749,320.28/12,075,152.46 = 5,077,448.44/x
  3. Step 3: Cross multiply
    8,749,320.28x = 12,075,152.46 × 5,077,448.44
  4. Step 4: Simplify right side
    8,749,320.28x = 61,310,964,020,789.17
  5. Step 5: Solve for x
    x = 61,310,964,020,789.17/8,749,320.28
  6. Step 6: Final answer
    x = 7,007,511.68

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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.