Home / 19,118,752.89-28,683,400.28-7,612,300.56

Finding the Fourth Proportional to 19,118,752.89, 28,683,400.28 and 7,612,300.56

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Solution

The fourth proportional to 19,118,752.89, 28,683,400.28 and 7,612,300.56 is: 11,420,549.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,118,752.89 : 28,683,400.28 = 7,612,300.56 : x
  2. Step 2: Convert to fraction form
    19,118,752.89/28,683,400.28 = 7,612,300.56/x
  3. Step 3: Cross multiply
    19,118,752.89x = 28,683,400.28 × 7,612,300.56
  4. Step 4: Simplify right side
    19,118,752.89x = 218,346,663,976,086.62
  5. Step 5: Solve for x
    x = 218,346,663,976,086.62/19,118,752.89
  6. Step 6: Final answer
    x = 11,420,549.51

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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.