Home / 14,000,000.65-21,000,000.98-13,043,406.85

Finding the Fourth Proportional to 14,000,000.65, 21,000,000.98 and 13,043,406.85

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Solution

The fourth proportional to 14,000,000.65, 21,000,000.98 and 13,043,406.85 is: 19,565,110.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,000,000.65 : 21,000,000.98 = 13,043,406.85 : x
  2. Step 2: Convert to fraction form
    14,000,000.65/21,000,000.98 = 13,043,406.85/x
  3. Step 3: Cross multiply
    14,000,000.65x = 21,000,000.98 × 13,043,406.85
  4. Step 4: Simplify right side
    14,000,000.65x = 273,911,556,567,321.69
  5. Step 5: Solve for x
    x = 273,911,556,567,321.69/14,000,000.65
  6. Step 6: Final answer
    x = 19,565,110.28

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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.