Home / 12,142,116.84-16,756,127.28-6,709,608.84

Finding the Fourth Proportional to 12,142,116.84, 16,756,127.28 and 6,709,608.84

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Solution

The fourth proportional to 12,142,116.84, 16,756,127.28 and 6,709,608.84 is: 9,259,263.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,142,116.84 : 16,756,127.28 = 6,709,608.84 : x
  2. Step 2: Convert to fraction form
    12,142,116.84/16,756,127.28 = 6,709,608.84/x
  3. Step 3: Cross multiply
    12,142,116.84x = 16,756,127.28 × 6,709,608.84
  4. Step 4: Simplify right side
    12,142,116.84x = 112,427,059,722,053.14
  5. Step 5: Solve for x
    x = 112,427,059,722,053.14/12,142,116.84
  6. Step 6: Final answer
    x = 9,259,263.54

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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.