Home / 19,130,178.54-26,398,692.30-10,869,149.64

Finding the Fourth Proportional to 19,130,178.54, 26,398,692.30 and 10,869,149.64

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Solution

The fourth proportional to 19,130,178.54, 26,398,692.30 and 10,869,149.64 is: 14,998,884.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,130,178.54 : 26,398,692.30 = 10,869,149.64 : x
  2. Step 2: Convert to fraction form
    19,130,178.54/26,398,692.30 = 10,869,149.64/x
  3. Step 3: Cross multiply
    19,130,178.54x = 26,398,692.30 × 10,869,149.64
  4. Step 4: Simplify right side
    19,130,178.54x = 286,931,336,909,015.81
  5. Step 5: Solve for x
    x = 286,931,336,909,015.81/19,130,178.54
  6. Step 6: Final answer
    x = 14,998,884.42

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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.