Home / 9,020,857.30-12,436,740.47-7,166,425.76

Finding the Fourth Proportional to 9,020,857.30, 12,436,740.47 and 7,166,425.76

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Solution

The fourth proportional to 9,020,857.30, 12,436,740.47 and 7,166,425.76 is: 9,880,100.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,020,857.30 : 12,436,740.47 = 7,166,425.76 : x
  2. Step 2: Convert to fraction form
    9,020,857.30/12,436,740.47 = 7,166,425.76/x
  3. Step 3: Cross multiply
    9,020,857.30x = 12,436,740.47 × 7,166,425.76
  4. Step 4: Simplify right side
    9,020,857.30x = 89,126,977,274,642.52
  5. Step 5: Solve for x
    x = 89,126,977,274,642.52/9,020,857.30
  6. Step 6: Final answer
    x = 9,880,100.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.