Home / 9,327,412.85-12,872,787.54-5,607,448.16

Finding the Fourth Proportional to 9,327,412.85, 12,872,787.54 and 5,607,448.16

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Solution

The fourth proportional to 9,327,412.85, 12,872,787.54 and 5,607,448.16 is: 7,738,854.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,327,412.85 : 12,872,787.54 = 5,607,448.16 : x
  2. Step 2: Convert to fraction form
    9,327,412.85/12,872,787.54 = 5,607,448.16/x
  3. Step 3: Cross multiply
    9,327,412.85x = 12,872,787.54 × 5,607,448.16
  4. Step 4: Simplify right side
    9,327,412.85x = 72,183,488,719,852.06
  5. Step 5: Solve for x
    x = 72,183,488,719,852.06/9,327,412.85
  6. Step 6: Final answer
    x = 7,738,854.27

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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.