Home / 19,140,013.60-26,398,289.28-12,265,135.36

Finding the Fourth Proportional to 19,140,013.60, 26,398,289.28 and 12,265,135.36

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Solution

The fourth proportional to 19,140,013.60, 26,398,289.28 and 12,265,135.36 is: 16,916,319.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,140,013.60 : 26,398,289.28 = 12,265,135.36 : x
  2. Step 2: Convert to fraction form
    19,140,013.60/26,398,289.28 = 12,265,135.36/x
  3. Step 3: Cross multiply
    19,140,013.60x = 26,398,289.28 × 12,265,135.36
  4. Step 4: Simplify right side
    19,140,013.60x = 323,778,591,291,636.94
  5. Step 5: Solve for x
    x = 323,778,591,291,636.94/19,140,013.60
  6. Step 6: Final answer
    x = 16,916,319.81

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1.5x scale

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.