Home / 7,157,395.92-10,742,820.66-3,748,128.60

Finding the Fourth Proportional to 7,157,395.92, 10,742,820.66 and 3,748,128.60

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Solution

The fourth proportional to 7,157,395.92, 10,742,820.66 and 3,748,128.60 is: 5,625,715.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,157,395.92 : 10,742,820.66 = 3,748,128.60 : x
  2. Step 2: Convert to fraction form
    7,157,395.92/10,742,820.66 = 3,748,128.60/x
  3. Step 3: Cross multiply
    7,157,395.92x = 10,742,820.66 × 3,748,128.60
  4. Step 4: Simplify right side
    7,157,395.92x = 40,265,473,360,416.88
  5. Step 5: Solve for x
    x = 40,265,473,360,416.88/7,157,395.92
  6. Step 6: Final answer
    x = 5,625,715.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.