Home / 12,477,014.70-18,714,139.65-10,229,232.30

Finding the Fourth Proportional to 12,477,014.70, 18,714,139.65 and 10,229,232.30

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Solution

The fourth proportional to 12,477,014.70, 18,714,139.65 and 10,229,232.30 is: 15,342,715.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,477,014.70 : 18,714,139.65 = 10,229,232.30 : x
  2. Step 2: Convert to fraction form
    12,477,014.70/18,714,139.65 = 10,229,232.30/x
  3. Step 3: Cross multiply
    12,477,014.70x = 18,714,139.65 × 10,229,232.30
  4. Step 4: Simplify right side
    12,477,014.70x = 191,431,281,774,490.69
  5. Step 5: Solve for x
    x = 191,431,281,774,490.69/12,477,014.70
  6. Step 6: Final answer
    x = 15,342,715.09

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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.