Home / 12,309,368.60-16,986,039.10-6,802,677.56

Finding the Fourth Proportional to 12,309,368.60, 16,986,039.10 and 6,802,677.56

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Solution

The fourth proportional to 12,309,368.60, 16,986,039.10 and 6,802,677.56 is: 9,387,203.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,309,368.60 : 16,986,039.10 = 6,802,677.56 : x
  2. Step 2: Convert to fraction form
    12,309,368.60/16,986,039.10 = 6,802,677.56/x
  3. Step 3: Cross multiply
    12,309,368.60x = 16,986,039.10 × 6,802,677.56
  4. Step 4: Simplify right side
    12,309,368.60x = 115,550,547,018,852.59
  5. Step 5: Solve for x
    x = 115,550,547,018,852.59/12,309,368.60
  6. Step 6: Final answer
    x = 9,387,203.42

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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.