Home / 9,078,539.06-12,528,006.92-4,948,479.31

Finding the Fourth Proportional to 9,078,539.06, 12,528,006.92 and 4,948,479.31

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Solution

The fourth proportional to 9,078,539.06, 12,528,006.92 and 4,948,479.31 is: 6,828,695.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,078,539.06 : 12,528,006.92 = 4,948,479.31 : x
  2. Step 2: Convert to fraction form
    9,078,539.06/12,528,006.92 = 4,948,479.31/x
  3. Step 3: Cross multiply
    9,078,539.06x = 12,528,006.92 × 4,948,479.31
  4. Step 4: Simplify right side
    9,078,539.06x = 61,994,583,014,414.42
  5. Step 5: Solve for x
    x = 61,994,583,014,414.42/9,078,539.06
  6. Step 6: Final answer
    x = 6,828,695.97

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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.