Home / 13,971,187.82-19,280,210-7,859,616.32

Finding the Fourth Proportional to 13,971,187.82, 19,280,210 and 7,859,616.32

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Solution

The fourth proportional to 13,971,187.82, 19,280,210 and 7,859,616.32 is: 10,846,254.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,971,187.82 : 19,280,210 = 7,859,616.32 : x
  2. Step 2: Convert to fraction form
    13,971,187.82/19,280,210 = 7,859,616.32/x
  3. Step 3: Cross multiply
    13,971,187.82x = 19,280,210 × 7,859,616.32
  4. Step 4: Simplify right side
    13,971,187.82x = 151,535,053,169,027.22
  5. Step 5: Solve for x
    x = 151,535,053,169,027.22/13,971,187.82
  6. Step 6: Final answer
    x = 10,846,254.10

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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.