Home / 21,853,442.95-30,156,960.81-12,063,676.93

Finding the Fourth Proportional to 21,853,442.95, 30,156,960.81 and 12,063,676.93

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Solution

The fourth proportional to 21,853,442.95, 30,156,960.81 and 12,063,676.93 is: 16,647,437.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,853,442.95 : 30,156,960.81 = 12,063,676.93 : x
  2. Step 2: Convert to fraction form
    21,853,442.95/30,156,960.81 = 12,063,676.93/x
  3. Step 3: Cross multiply
    21,853,442.95x = 30,156,960.81 × 12,063,676.93
  4. Step 4: Simplify right side
    21,853,442.95x = 363,803,832,402,511.06
  5. Step 5: Solve for x
    x = 363,803,832,402,511.06/21,853,442.95
  6. Step 6: Final answer
    x = 16,647,437.81

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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.