Home / 9,122,558.87-12,587,886.05-5,450,695.22

Finding the Fourth Proportional to 9,122,558.87, 12,587,886.05 and 5,450,695.22

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Solution

The fourth proportional to 9,122,558.87, 12,587,886.05 and 5,450,695.22 is: 7,521,215.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,122,558.87 : 12,587,886.05 = 5,450,695.22 : x
  2. Step 2: Convert to fraction form
    9,122,558.87/12,587,886.05 = 5,450,695.22/x
  3. Step 3: Cross multiply
    9,122,558.87x = 12,587,886.05 × 5,450,695.22
  4. Step 4: Simplify right side
    9,122,558.87x = 68,612,730,232,446.77
  5. Step 5: Solve for x
    x = 68,612,730,232,446.77/9,122,558.87
  6. Step 6: Final answer
    x = 7,521,215.40

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1.5x scale

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.