Home / 13,235,810.66-18,265,862.28-7,355,692.69

Finding the Fourth Proportional to 13,235,810.66, 18,265,862.28 and 7,355,692.69

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Solution

The fourth proportional to 13,235,810.66, 18,265,862.28 and 7,355,692.69 is: 10,151,102.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,235,810.66 : 18,265,862.28 = 7,355,692.69 : x
  2. Step 2: Convert to fraction form
    13,235,810.66/18,265,862.28 = 7,355,692.69/x
  3. Step 3: Cross multiply
    13,235,810.66x = 18,265,862.28 × 7,355,692.69
  4. Step 4: Simplify right side
    13,235,810.66x = 134,358,069,558,213.42
  5. Step 5: Solve for x
    x = 134,358,069,558,213.42/13,235,810.66
  6. Step 6: Final answer
    x = 10,151,102.42

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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.