Home / 11,688,536.28-16,129,639.44-6,531,852.72

Finding the Fourth Proportional to 11,688,536.28, 16,129,639.44 and 6,531,852.72

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Solution

The fourth proportional to 11,688,536.28, 16,129,639.44 and 6,531,852.72 is: 9,013,654.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,688,536.28 : 16,129,639.44 = 6,531,852.72 : x
  2. Step 2: Convert to fraction form
    11,688,536.28/16,129,639.44 = 6,531,852.72/x
  3. Step 3: Cross multiply
    11,688,536.28x = 16,129,639.44 × 6,531,852.72
  4. Step 4: Simplify right side
    11,688,536.28x = 105,356,429,248,783.27
  5. Step 5: Solve for x
    x = 105,356,429,248,783.27/11,688,536.28
  6. Step 6: Final answer
    x = 9,013,654.64

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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.