Home / 7,848,037.65-11,772,056.48-6,784,280.85

Finding the Fourth Proportional to 7,848,037.65, 11,772,056.48 and 6,784,280.85

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Solution

The fourth proportional to 7,848,037.65, 11,772,056.48 and 6,784,280.85 is: 10,176,421.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,848,037.65 : 11,772,056.48 = 6,784,280.85 : x
  2. Step 2: Convert to fraction form
    7,848,037.65/11,772,056.48 = 6,784,280.85/x
  3. Step 3: Cross multiply
    7,848,037.65x = 11,772,056.48 × 6,784,280.85
  4. Step 4: Simplify right side
    7,848,037.65x = 79,864,937,308,461
  5. Step 5: Solve for x
    x = 79,864,937,308,461/7,848,037.65
  6. Step 6: Final answer
    x = 10,176,421.28

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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.