Home / 39,910,669.20-59,883,629.40-19,429,030.80

Finding the Fourth Proportional to 39,910,669.20, 59,883,629.40 and 19,429,030.80

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Solution

The fourth proportional to 39,910,669.20, 59,883,629.40 and 19,429,030.80 is: 29,152,126.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,910,669.20 : 59,883,629.40 = 19,429,030.80 : x
  2. Step 2: Convert to fraction form
    39,910,669.20/59,883,629.40 = 19,429,030.80/x
  3. Step 3: Cross multiply
    39,910,669.20x = 59,883,629.40 × 19,429,030.80
  4. Step 4: Simplify right side
    39,910,669.20x = 1,163,480,880,028,385.50
  5. Step 5: Solve for x
    x = 1,163,480,880,028,385.50/39,910,669.20
  6. Step 6: Final answer
    x = 29,152,126.57

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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.