Home / 12,890,187.48-17,788,103.49-7,088,969.10

Finding the Fourth Proportional to 12,890,187.48, 17,788,103.49 and 7,088,969.10

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Solution

The fourth proportional to 12,890,187.48, 17,788,103.49 and 7,088,969.10 is: 9,782,582.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,890,187.48 : 17,788,103.49 = 7,088,969.10 : x
  2. Step 2: Convert to fraction form
    12,890,187.48/17,788,103.49 = 7,088,969.10/x
  3. Step 3: Cross multiply
    12,890,187.48x = 17,788,103.49 × 7,088,969.10
  4. Step 4: Simplify right side
    12,890,187.48x = 126,099,315,988,212.14
  5. Step 5: Solve for x
    x = 126,099,315,988,212.14/12,890,187.48
  6. Step 6: Final answer
    x = 9,782,582.00

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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.