Home / 26,429,000.40-39,643,500.60-19,710,536.40

Finding the Fourth Proportional to 26,429,000.40, 39,643,500.60 and 19,710,536.40

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Solution

The fourth proportional to 26,429,000.40, 39,643,500.60 and 19,710,536.40 is: 29,565,804.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,429,000.40 : 39,643,500.60 = 19,710,536.40 : x
  2. Step 2: Convert to fraction form
    26,429,000.40/39,643,500.60 = 19,710,536.40/x
  3. Step 3: Cross multiply
    26,429,000.40x = 39,643,500.60 × 19,710,536.40
  4. Step 4: Simplify right side
    26,429,000.40x = 781,394,661,599,721.75
  5. Step 5: Solve for x
    x = 781,394,661,599,721.75/26,429,000.40
  6. Step 6: Final answer
    x = 29,565,804.60

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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.