Home / 12,072,753.86-18,109,140.98-2,974,852.67

Finding the Fourth Proportional to 12,072,753.86, 18,109,140.98 and 2,974,852.67

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Solution

The fourth proportional to 12,072,753.86, 18,109,140.98 and 2,974,852.67 is: 4,462,281.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,072,753.86 : 18,109,140.98 = 2,974,852.67 : x
  2. Step 2: Convert to fraction form
    12,072,753.86/18,109,140.98 = 2,974,852.67/x
  3. Step 3: Cross multiply
    12,072,753.86x = 18,109,140.98 × 2,974,852.67
  4. Step 4: Simplify right side
    12,072,753.86x = 53,872,026,290,339.45
  5. Step 5: Solve for x
    x = 53,872,026,290,339.45/12,072,753.86
  6. Step 6: Final answer
    x = 4,462,281.51

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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.