Home / 35,919,716.63-53,880,041.50-11,985,188.63

Finding the Fourth Proportional to 35,919,716.63, 53,880,041.50 and 11,985,188.63

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Solution

The fourth proportional to 35,919,716.63, 53,880,041.50 and 11,985,188.63 is: 17,977,938.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,919,716.63 : 53,880,041.50 = 11,985,188.63 : x
  2. Step 2: Convert to fraction form
    35,919,716.63/53,880,041.50 = 11,985,188.63/x
  3. Step 3: Cross multiply
    35,919,716.63x = 53,880,041.50 × 11,985,188.63
  4. Step 4: Simplify right side
    35,919,716.63x = 645,762,460,470,365
  5. Step 5: Solve for x
    x = 645,762,460,470,365/35,919,716.63
  6. Step 6: Final answer
    x = 17,977,938.61

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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.