Home / 12,905,341.32-19,360,928.34-4,269,421.50

Finding the Fourth Proportional to 12,905,341.32, 19,360,928.34 and 4,269,421.50

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Solution

The fourth proportional to 12,905,341.32, 19,360,928.34 and 4,269,421.50 is: 6,405,097.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,905,341.32 : 19,360,928.34 = 4,269,421.50 : x
  2. Step 2: Convert to fraction form
    12,905,341.32/19,360,928.34 = 4,269,421.50/x
  3. Step 3: Cross multiply
    12,905,341.32x = 19,360,928.34 × 4,269,421.50
  4. Step 4: Simplify right side
    12,905,341.32x = 82,659,963,714,755.31
  5. Step 5: Solve for x
    x = 82,659,963,714,755.31/12,905,341.32
  6. Step 6: Final answer
    x = 6,405,097.06

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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.