Home / 10,009,887.72-15,016,012.55-7,501,486.20

Finding the Fourth Proportional to 10,009,887.72, 15,016,012.55 and 7,501,486.20

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Solution

The fourth proportional to 10,009,887.72, 15,016,012.55 and 7,501,486.20 is: 11,253,114.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,009,887.72 : 15,016,012.55 = 7,501,486.20 : x
  2. Step 2: Convert to fraction form
    10,009,887.72/15,016,012.55 = 7,501,486.20/x
  3. Step 3: Cross multiply
    10,009,887.72x = 15,016,012.55 × 7,501,486.20
  4. Step 4: Simplify right side
    10,009,887.72x = 112,642,410,922,851.81
  5. Step 5: Solve for x
    x = 112,642,410,922,851.81/10,009,887.72
  6. Step 6: Final answer
    x = 11,253,114.33

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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.