Home / 8,210,430.40-12,296,983.20-4,216,676.80

Finding the Fourth Proportional to 8,210,430.40, 12,296,983.20 and 4,216,676.80

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Solution

The fourth proportional to 8,210,430.40, 12,296,983.20 and 4,216,676.80 is: 6,315,430.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,210,430.40 : 12,296,983.20 = 4,216,676.80 : x
  2. Step 2: Convert to fraction form
    8,210,430.40/12,296,983.20 = 4,216,676.80/x
  3. Step 3: Cross multiply
    8,210,430.40x = 12,296,983.20 × 4,216,676.80
  4. Step 4: Simplify right side
    8,210,430.40x = 51,852,403,769,429.76
  5. Step 5: Solve for x
    x = 51,852,403,769,429.76/8,210,430.40
  6. Step 6: Final answer
    x = 6,315,430.65

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1.5x scale

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.