Home / 25,518,357.63-35,215,389.23-14,505,174.81

Finding the Fourth Proportional to 25,518,357.63, 35,215,389.23 and 14,505,174.81

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Solution

The fourth proportional to 25,518,357.63, 35,215,389.23 and 14,505,174.81 is: 20,017,172.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,518,357.63 : 35,215,389.23 = 14,505,174.81 : x
  2. Step 2: Convert to fraction form
    25,518,357.63/35,215,389.23 = 14,505,174.81/x
  3. Step 3: Cross multiply
    25,518,357.63x = 35,215,389.23 × 14,505,174.81
  4. Step 4: Simplify right side
    25,518,357.63x = 510,805,376,710,815.44
  5. Step 5: Solve for x
    x = 510,805,376,710,815.44/25,518,357.63
  6. Step 6: Final answer
    x = 20,017,172.90

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1.5x scale

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.