Home / 13,913,071.12-20,871,038.22-4,815,152.74

Finding the Fourth Proportional to 13,913,071.12, 20,871,038.22 and 4,815,152.74

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Solution

The fourth proportional to 13,913,071.12, 20,871,038.22 and 4,815,152.74 is: 7,223,224.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,913,071.12 : 20,871,038.22 = 4,815,152.74 : x
  2. Step 2: Convert to fraction form
    13,913,071.12/20,871,038.22 = 4,815,152.74/x
  3. Step 3: Cross multiply
    13,913,071.12x = 20,871,038.22 × 4,815,152.74
  4. Step 4: Simplify right side
    13,913,071.12x = 100,497,236,871,677.72
  5. Step 5: Solve for x
    x = 100,497,236,871,677.72/13,913,071.12
  6. Step 6: Final answer
    x = 7,223,224.55

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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.