Home / 7,782,352.15-10,742,511.93-4,685,019.55

Finding the Fourth Proportional to 7,782,352.15, 10,742,511.93 and 4,685,019.55

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Solution

The fourth proportional to 7,782,352.15, 10,742,511.93 and 4,685,019.55 is: 6,467,052.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,782,352.15 : 10,742,511.93 = 4,685,019.55 : x
  2. Step 2: Convert to fraction form
    7,782,352.15/10,742,511.93 = 4,685,019.55/x
  3. Step 3: Cross multiply
    7,782,352.15x = 10,742,511.93 × 4,685,019.55
  4. Step 4: Simplify right side
    7,782,352.15x = 50,328,878,408,158.23
  5. Step 5: Solve for x
    x = 50,328,878,408,158.23/7,782,352.15
  6. Step 6: Final answer
    x = 6,467,052.30

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1.5x scale

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.