Home / 19,130,447.80-28,695,692.49-4,753,515.59

Finding the Fourth Proportional to 19,130,447.80, 28,695,692.49 and 4,753,515.59

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Solution

The fourth proportional to 19,130,447.80, 28,695,692.49 and 4,753,515.59 is: 7,130,278.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,130,447.80 : 28,695,692.49 = 4,753,515.59 : x
  2. Step 2: Convert to fraction form
    19,130,447.80/28,695,692.49 = 4,753,515.59/x
  3. Step 3: Cross multiply
    19,130,447.80x = 28,695,692.49 × 4,753,515.59
  4. Step 4: Simplify right side
    19,130,447.80x = 136,405,421,688,800.16
  5. Step 5: Solve for x
    x = 136,405,421,688,800.16/19,130,447.80
  6. Step 6: Final answer
    x = 7,130,278.56

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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.