Home / 14,112,089.70-21,168,134.55-14,012,556.90

Finding the Fourth Proportional to 14,112,089.70, 21,168,134.55 and 14,012,556.90

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Solution

The fourth proportional to 14,112,089.70, 21,168,134.55 and 14,012,556.90 is: 21,018,835.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,112,089.70 : 21,168,134.55 = 14,012,556.90 : x
  2. Step 2: Convert to fraction form
    14,112,089.70/21,168,134.55 = 14,012,556.90/x
  3. Step 3: Cross multiply
    14,112,089.70x = 21,168,134.55 × 14,012,556.90
  4. Step 4: Simplify right side
    14,112,089.70x = 296,619,689,848,730.94
  5. Step 5: Solve for x
    x = 296,619,689,848,730.94/14,112,089.70
  6. Step 6: Final answer
    x = 21,018,835.35

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Similar ratio
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1.5x scale

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.