Home / 9,109,914.35-12,571,679.90-4,979,962.58

Finding the Fourth Proportional to 9,109,914.35, 12,571,679.90 and 4,979,962.58

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Solution

The fourth proportional to 9,109,914.35, 12,571,679.90 and 4,979,962.58 is: 6,872,347.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,109,914.35 : 12,571,679.90 = 4,979,962.58 : x
  2. Step 2: Convert to fraction form
    9,109,914.35/12,571,679.90 = 4,979,962.58/x
  3. Step 3: Cross multiply
    9,109,914.35x = 12,571,679.90 × 4,979,962.58
  4. Step 4: Simplify right side
    9,109,914.35x = 62,606,495,513,617.24
  5. Step 5: Solve for x
    x = 62,606,495,513,617.24/9,109,914.35
  6. Step 6: Final answer
    x = 6,872,347.32

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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.