Home / 12,210,006.90-18,315,010.35-3,112,086.90

Finding the Fourth Proportional to 12,210,006.90, 18,315,010.35 and 3,112,086.90

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Solution

The fourth proportional to 12,210,006.90, 18,315,010.35 and 3,112,086.90 is: 4,668,130.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,210,006.90 : 18,315,010.35 = 3,112,086.90 : x
  2. Step 2: Convert to fraction form
    12,210,006.90/18,315,010.35 = 3,112,086.90/x
  3. Step 3: Cross multiply
    12,210,006.90x = 18,315,010.35 × 3,112,086.90
  4. Step 4: Simplify right side
    12,210,006.90x = 56,997,903,783,599.41
  5. Step 5: Solve for x
    x = 56,997,903,783,599.41/12,210,006.90
  6. Step 6: Final answer
    x = 4,668,130.35

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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.