Home / 8,712,821.40-13,069,232.10-5,532,048.60

Finding the Fourth Proportional to 8,712,821.40, 13,069,232.10 and 5,532,048.60

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Solution

The fourth proportional to 8,712,821.40, 13,069,232.10 and 5,532,048.60 is: 8,298,072.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,712,821.40 : 13,069,232.10 = 5,532,048.60 : x
  2. Step 2: Convert to fraction form
    8,712,821.40/13,069,232.10 = 5,532,048.60/x
  3. Step 3: Cross multiply
    8,712,821.40x = 13,069,232.10 × 5,532,048.60
  4. Step 4: Simplify right side
    8,712,821.40x = 72,299,627,141,880.05
  5. Step 5: Solve for x
    x = 72,299,627,141,880.05/8,712,821.40
  6. Step 6: Final answer
    x = 8,298,072.90

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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.