Home / 8,289,931.70-12,434,897.55-4,922,405.30

Finding the Fourth Proportional to 8,289,931.70, 12,434,897.55 and 4,922,405.30

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Solution

The fourth proportional to 8,289,931.70, 12,434,897.55 and 4,922,405.30 is: 7,383,607.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,289,931.70 : 12,434,897.55 = 4,922,405.30 : x
  2. Step 2: Convert to fraction form
    8,289,931.70/12,434,897.55 = 4,922,405.30/x
  3. Step 3: Cross multiply
    8,289,931.70x = 12,434,897.55 × 4,922,405.30
  4. Step 4: Simplify right side
    8,289,931.70x = 61,209,605,605,077.02
  5. Step 5: Solve for x
    x = 61,209,605,605,077.02/8,289,931.70
  6. Step 6: Final answer
    x = 7,383,607.95

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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.