Home / 21,824,155.84-30,116,676-12,034,595.20

Finding the Fourth Proportional to 21,824,155.84, 30,116,676 and 12,034,595.20

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Solution

The fourth proportional to 21,824,155.84, 30,116,676 and 12,034,595.20 is: 16,607,377.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,824,155.84 : 30,116,676 = 12,034,595.20 : x
  2. Step 2: Convert to fraction form
    21,824,155.84/30,116,676 = 12,034,595.20/x
  3. Step 3: Cross multiply
    21,824,155.84x = 30,116,676 × 12,034,595.20
  4. Step 4: Simplify right side
    21,824,155.84x = 362,442,004,429,555.19
  5. Step 5: Solve for x
    x = 362,442,004,429,555.19/21,824,155.84
  6. Step 6: Final answer
    x = 16,607,377.95

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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.