Home / 14,200,929.60-21,289,730.40-6,120,110.40

Finding the Fourth Proportional to 14,200,929.60, 21,289,730.40 and 6,120,110.40

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Solution

The fourth proportional to 14,200,929.60, 21,289,730.40 and 6,120,110.40 is: 9,175,138.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,200,929.60 : 21,289,730.40 = 6,120,110.40 : x
  2. Step 2: Convert to fraction form
    14,200,929.60/21,289,730.40 = 6,120,110.40/x
  3. Step 3: Cross multiply
    14,200,929.60x = 21,289,730.40 × 6,120,110.40
  4. Step 4: Simplify right side
    14,200,929.60x = 130,295,500,434,236.16
  5. Step 5: Solve for x
    x = 130,295,500,434,236.16/14,200,929.60
  6. Step 6: Final answer
    x = 9,175,138.82

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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.