Home / 15,317,035.40-21,140,645.46-9,125,709.06

Finding the Fourth Proportional to 15,317,035.40, 21,140,645.46 and 9,125,709.06

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Solution

The fourth proportional to 15,317,035.40, 21,140,645.46 and 9,125,709.06 is: 12,595,347.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,317,035.40 : 21,140,645.46 = 9,125,709.06 : x
  2. Step 2: Convert to fraction form
    15,317,035.40/21,140,645.46 = 9,125,709.06/x
  3. Step 3: Cross multiply
    15,317,035.40x = 21,140,645.46 × 9,125,709.06
  4. Step 4: Simplify right side
    15,317,035.40x = 192,923,379,808,569.88
  5. Step 5: Solve for x
    x = 192,923,379,808,569.88/15,317,035.40
  6. Step 6: Final answer
    x = 12,595,347.26

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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.