Home / 8,742,176.40-13,113,264.60-5,561,403.60

Finding the Fourth Proportional to 8,742,176.40, 13,113,264.60 and 5,561,403.60

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Solution

The fourth proportional to 8,742,176.40, 13,113,264.60 and 5,561,403.60 is: 8,342,105.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,742,176.40 : 13,113,264.60 = 5,561,403.60 : x
  2. Step 2: Convert to fraction form
    8,742,176.40/13,113,264.60 = 5,561,403.60/x
  3. Step 3: Cross multiply
    8,742,176.40x = 13,113,264.60 × 5,561,403.60
  4. Step 4: Simplify right side
    8,742,176.40x = 72,928,156,954,192.55
  5. Step 5: Solve for x
    x = 72,928,156,954,192.55/8,742,176.40
  6. Step 6: Final answer
    x = 8,342,105.40

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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.