Home / 7,072,117.20-10,583,292.60-6,474,920.40

Finding the Fourth Proportional to 7,072,117.20, 10,583,292.60 and 6,474,920.40

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Solution

The fourth proportional to 7,072,117.20, 10,583,292.60 and 6,474,920.40 is: 9,689,598.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,072,117.20 : 10,583,292.60 = 6,474,920.40 : x
  2. Step 2: Convert to fraction form
    7,072,117.20/10,583,292.60 = 6,474,920.40/x
  3. Step 3: Cross multiply
    7,072,117.20x = 10,583,292.60 × 6,474,920.40
  4. Step 4: Simplify right side
    7,072,117.20x = 68,525,977,154,909.04
  5. Step 5: Solve for x
    x = 68,525,977,154,909.04/7,072,117.20
  6. Step 6: Final answer
    x = 9,689,598.63

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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.