Home / 18,262,012.34-25,201,094.70-10,421,384.06

Finding the Fourth Proportional to 18,262,012.34, 25,201,094.70 and 10,421,384.06

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Solution

The fourth proportional to 18,262,012.34, 25,201,094.70 and 10,421,384.06 is: 14,381,234.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,262,012.34 : 25,201,094.70 = 10,421,384.06 : x
  2. Step 2: Convert to fraction form
    18,262,012.34/25,201,094.70 = 10,421,384.06/x
  3. Step 3: Cross multiply
    18,262,012.34x = 25,201,094.70 × 10,421,384.06
  4. Step 4: Simplify right side
    18,262,012.34x = 262,630,286,601,130.50
  5. Step 5: Solve for x
    x = 262,630,286,601,130.50/18,262,012.34
  6. Step 6: Final answer
    x = 14,381,234.76

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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.