Home / 30,873,484.70-42,608,025.54-17,126,877.50

Finding the Fourth Proportional to 30,873,484.70, 42,608,025.54 and 17,126,877.50

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Solution

The fourth proportional to 30,873,484.70, 42,608,025.54 and 17,126,877.50 is: 23,636,542.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,873,484.70 : 42,608,025.54 = 17,126,877.50 : x
  2. Step 2: Convert to fraction form
    30,873,484.70/42,608,025.54 = 17,126,877.50/x
  3. Step 3: Cross multiply
    30,873,484.70x = 42,608,025.54 × 17,126,877.50
  4. Step 4: Simplify right side
    30,873,484.70x = 729,742,433,940,451.38
  5. Step 5: Solve for x
    x = 729,742,433,940,451.38/30,873,484.70
  6. Step 6: Final answer
    x = 23,636,542.52

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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.