Home / 13,406,752.99-20,084,756.64-7,925,437.23

Finding the Fourth Proportional to 13,406,752.99, 20,084,756.64 and 7,925,437.23

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Solution

The fourth proportional to 13,406,752.99, 20,084,756.64 and 7,925,437.23 is: 11,873,156.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,406,752.99 : 20,084,756.64 = 7,925,437.23 : x
  2. Step 2: Convert to fraction form
    13,406,752.99/20,084,756.64 = 7,925,437.23/x
  3. Step 3: Cross multiply
    13,406,752.99x = 20,084,756.64 × 7,925,437.23
  4. Step 4: Simplify right side
    13,406,752.99x = 159,180,478,030,145.72
  5. Step 5: Solve for x
    x = 159,180,478,030,145.72/13,406,752.99
  6. Step 6: Final answer
    x = 11,873,156.62

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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.