Home / 33,688,939.28-46,490,876.31-18,219,023.91

Finding the Fourth Proportional to 33,688,939.28, 46,490,876.31 and 18,219,023.91

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Solution

The fourth proportional to 33,688,939.28, 46,490,876.31 and 18,219,023.91 is: 25,142,328.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,688,939.28 : 46,490,876.31 = 18,219,023.91 : x
  2. Step 2: Convert to fraction form
    33,688,939.28/46,490,876.31 = 18,219,023.91/x
  3. Step 3: Cross multiply
    33,688,939.28x = 46,490,876.31 × 18,219,023.91
  4. Step 4: Simplify right side
    33,688,939.28x = 847,018,387,088,742.62
  5. Step 5: Solve for x
    x = 847,018,387,088,742.62/33,688,939.28
  6. Step 6: Final answer
    x = 25,142,328.77

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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.