Home / 12,459,738.10-18,689,607.15-8,204,710.90

Finding the Fourth Proportional to 12,459,738.10, 18,689,607.15 and 8,204,710.90

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Solution

The fourth proportional to 12,459,738.10, 18,689,607.15 and 8,204,710.90 is: 12,307,066.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,459,738.10 : 18,689,607.15 = 8,204,710.90 : x
  2. Step 2: Convert to fraction form
    12,459,738.10/18,689,607.15 = 8,204,710.90/x
  3. Step 3: Cross multiply
    12,459,738.10x = 18,689,607.15 × 8,204,710.90
  4. Step 4: Simplify right side
    12,459,738.10x = 153,342,823,500,322.94
  5. Step 5: Solve for x
    x = 153,342,823,500,322.94/12,459,738.10
  6. Step 6: Final answer
    x = 12,307,066.35

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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.