Home / 26,415,078.40-39,622,617.60-12,774,759.40

Finding the Fourth Proportional to 26,415,078.40, 39,622,617.60 and 12,774,759.40

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Solution

The fourth proportional to 26,415,078.40, 39,622,617.60 and 12,774,759.40 is: 19,162,139.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,415,078.40 : 39,622,617.60 = 12,774,759.40 : x
  2. Step 2: Convert to fraction form
    26,415,078.40/39,622,617.60 = 12,774,759.40/x
  3. Step 3: Cross multiply
    26,415,078.40x = 39,622,617.60 × 12,774,759.40
  4. Step 4: Simplify right side
    26,415,078.40x = 506,169,406,638,205.50
  5. Step 5: Solve for x
    x = 506,169,406,638,205.50/26,415,078.40
  6. Step 6: Final answer
    x = 19,162,139.10

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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.