Home / 8,258,386.20-12,387,579.30-5,979,094.80

Finding the Fourth Proportional to 8,258,386.20, 12,387,579.30 and 5,979,094.80

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Solution

The fourth proportional to 8,258,386.20, 12,387,579.30 and 5,979,094.80 is: 8,968,642.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,258,386.20 : 12,387,579.30 = 5,979,094.80 : x
  2. Step 2: Convert to fraction form
    8,258,386.20/12,387,579.30 = 5,979,094.80/x
  3. Step 3: Cross multiply
    8,258,386.20x = 12,387,579.30 × 5,979,094.80
  4. Step 4: Simplify right side
    8,258,386.20x = 74,066,510,977,217.64
  5. Step 5: Solve for x
    x = 74,066,510,977,217.64/8,258,386.20
  6. Step 6: Final answer
    x = 8,968,642.20

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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.