Home / 28,219,328.28-42,324,457.86-7,744,264.92

Finding the Fourth Proportional to 28,219,328.28, 42,324,457.86 and 7,744,264.92

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Solution

The fourth proportional to 28,219,328.28, 42,324,457.86 and 7,744,264.92 is: 11,615,152.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,219,328.28 : 42,324,457.86 = 7,744,264.92 : x
  2. Step 2: Convert to fraction form
    28,219,328.28/42,324,457.86 = 7,744,264.92/x
  3. Step 3: Cross multiply
    28,219,328.28x = 42,324,457.86 × 7,744,264.92
  4. Step 4: Simplify right side
    28,219,328.28x = 327,771,814,263,216.25
  5. Step 5: Solve for x
    x = 327,771,814,263,216.25/28,219,328.28
  6. Step 6: Final answer
    x = 11,615,152.96

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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.