Home / 14,443,442.29-19,920,328.26-12,697,378.36

Finding the Fourth Proportional to 14,443,442.29, 19,920,328.26 and 12,697,378.36

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Solution

The fourth proportional to 14,443,442.29, 19,920,328.26 and 12,697,378.36 is: 17,512,165.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,443,442.29 : 19,920,328.26 = 12,697,378.36 : x
  2. Step 2: Convert to fraction form
    14,443,442.29/19,920,328.26 = 12,697,378.36/x
  3. Step 3: Cross multiply
    14,443,442.29x = 19,920,328.26 × 12,697,378.36
  4. Step 4: Simplify right side
    14,443,442.29x = 252,935,944,972,620.47
  5. Step 5: Solve for x
    x = 252,935,944,972,620.47/14,443,442.29
  6. Step 6: Final answer
    x = 17,512,165.03

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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.