Home / 19,320,010.10-28,980,015.15-14,501,611.70

Finding the Fourth Proportional to 19,320,010.10, 28,980,015.15 and 14,501,611.70

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Solution

The fourth proportional to 19,320,010.10, 28,980,015.15 and 14,501,611.70 is: 21,752,417.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,320,010.10 : 28,980,015.15 = 14,501,611.70 : x
  2. Step 2: Convert to fraction form
    19,320,010.10/28,980,015.15 = 14,501,611.70/x
  3. Step 3: Cross multiply
    19,320,010.10x = 28,980,015.15 × 14,501,611.70
  4. Step 4: Simplify right side
    19,320,010.10x = 420,256,926,765,417.19
  5. Step 5: Solve for x
    x = 420,256,926,765,417.19/19,320,010.10
  6. Step 6: Final answer
    x = 21,752,417.55

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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.