Home / 35,818,810.80-53,728,216.20-11,881,172.40

Finding the Fourth Proportional to 35,818,810.80, 53,728,216.20 and 11,881,172.40

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Solution

The fourth proportional to 35,818,810.80, 53,728,216.20 and 11,881,172.40 is: 17,821,758.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,818,810.80 : 53,728,216.20 = 11,881,172.40 : x
  2. Step 2: Convert to fraction form
    35,818,810.80/53,728,216.20 = 11,881,172.40/x
  3. Step 3: Cross multiply
    35,818,810.80x = 53,728,216.20 × 11,881,172.40
  4. Step 4: Simplify right side
    35,818,810.80x = 638,354,199,416,672.88
  5. Step 5: Solve for x
    x = 638,354,199,416,672.88/35,818,810.80
  6. Step 6: Final answer
    x = 17,821,758.60

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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.