Home / 14,347,535.40-21,492,272.70-8,939,586.60

Finding the Fourth Proportional to 14,347,535.40, 21,492,272.70 and 8,939,586.60

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Solution

The fourth proportional to 14,347,535.40, 21,492,272.70 and 8,939,586.60 is: 13,391,291.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,347,535.40 : 21,492,272.70 = 8,939,586.60 : x
  2. Step 2: Convert to fraction form
    14,347,535.40/21,492,272.70 = 8,939,586.60/x
  3. Step 3: Cross multiply
    14,347,535.40x = 21,492,272.70 × 8,939,586.60
  4. Step 4: Simplify right side
    14,347,535.40x = 192,132,033,032,465.81
  5. Step 5: Solve for x
    x = 192,132,033,032,465.81/14,347,535.40
  6. Step 6: Final answer
    x = 13,391,291.79

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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.