Home / 26,209,587.40-39,298,634.70-13,455,003.40

Finding the Fourth Proportional to 26,209,587.40, 39,298,634.70 and 13,455,003.40

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Solution

The fourth proportional to 26,209,587.40, 39,298,634.70 and 13,455,003.40 is: 20,174,421.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,209,587.40 : 39,298,634.70 = 13,455,003.40 : x
  2. Step 2: Convert to fraction form
    26,209,587.40/39,298,634.70 = 13,455,003.40/x
  3. Step 3: Cross multiply
    26,209,587.40x = 39,298,634.70 × 13,455,003.40
  4. Step 4: Simplify right side
    26,209,587.40x = 528,763,263,503,858.06
  5. Step 5: Solve for x
    x = 528,763,263,503,858.06/26,209,587.40
  6. Step 6: Final answer
    x = 20,174,421.50

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1.5x scale

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.