Home / 20,826,876.16-31,262,398.08-18,446,176

Finding the Fourth Proportional to 20,826,876.16, 31,262,398.08 and 18,446,176

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Solution

The fourth proportional to 20,826,876.16, 31,262,398.08 and 18,446,176 is: 27,688,823.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,826,876.16 : 31,262,398.08 = 18,446,176 : x
  2. Step 2: Convert to fraction form
    20,826,876.16/31,262,398.08 = 18,446,176/x
  3. Step 3: Cross multiply
    20,826,876.16x = 31,262,398.08 × 18,446,176
  4. Step 4: Simplify right side
    20,826,876.16x = 576,671,697,165,742
  5. Step 5: Solve for x
    x = 576,671,697,165,742/20,826,876.16
  6. Step 6: Final answer
    x = 27,688,823.46

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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.