Home / 8,319,095.70-12,478,643.55-2,927,703.30

Finding the Fourth Proportional to 8,319,095.70, 12,478,643.55 and 2,927,703.30

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Solution

The fourth proportional to 8,319,095.70, 12,478,643.55 and 2,927,703.30 is: 4,391,554.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,319,095.70 : 12,478,643.55 = 2,927,703.30 : x
  2. Step 2: Convert to fraction form
    8,319,095.70/12,478,643.55 = 2,927,703.30/x
  3. Step 3: Cross multiply
    8,319,095.70x = 12,478,643.55 × 2,927,703.30
  4. Step 4: Simplify right side
    8,319,095.70x = 36,533,765,900,858.72
  5. Step 5: Solve for x
    x = 36,533,765,900,858.72/8,319,095.70
  6. Step 6: Final answer
    x = 4,391,554.95

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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.