Home / 8,315,139.40-12,483,206.70-4,480,016.20

Finding the Fourth Proportional to 8,315,139.40, 12,483,206.70 and 4,480,016.20

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Solution

The fourth proportional to 8,315,139.40, 12,483,206.70 and 4,480,016.20 is: 6,725,680.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,315,139.40 : 12,483,206.70 = 4,480,016.20 : x
  2. Step 2: Convert to fraction form
    8,315,139.40/12,483,206.70 = 4,480,016.20/x
  3. Step 3: Cross multiply
    8,315,139.40x = 12,483,206.70 × 4,480,016.20
  4. Step 4: Simplify right side
    8,315,139.40x = 55,924,968,243,948.54
  5. Step 5: Solve for x
    x = 55,924,968,243,948.54/8,315,139.40
  6. Step 6: Final answer
    x = 6,725,680.18

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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.