Home / 13,484,676.76-18,604,443.78-8,252,230.28

Finding the Fourth Proportional to 13,484,676.76, 18,604,443.78 and 8,252,230.28

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Solution

The fourth proportional to 13,484,676.76, 18,604,443.78 and 8,252,230.28 is: 11,385,378.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,484,676.76 : 18,604,443.78 = 8,252,230.28 : x
  2. Step 2: Convert to fraction form
    13,484,676.76/18,604,443.78 = 8,252,230.28/x
  3. Step 3: Cross multiply
    13,484,676.76x = 18,604,443.78 × 8,252,230.28
  4. Step 4: Simplify right side
    13,484,676.76x = 153,528,154,303,873.69
  5. Step 5: Solve for x
    x = 153,528,154,303,873.69/13,484,676.76
  6. Step 6: Final answer
    x = 11,385,378.90

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1.5x scale

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.