Home / 20,065,054.66-27,688,848.78-11,363,289.58

Finding the Fourth Proportional to 20,065,054.66, 27,688,848.78 and 11,363,289.58

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Solution

The fourth proportional to 20,065,054.66, 27,688,848.78 and 11,363,289.58 is: 15,680,814.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,065,054.66 : 27,688,848.78 = 11,363,289.58 : x
  2. Step 2: Convert to fraction form
    20,065,054.66/27,688,848.78 = 11,363,289.58/x
  3. Step 3: Cross multiply
    20,065,054.66x = 27,688,848.78 × 11,363,289.58
  4. Step 4: Simplify right side
    20,065,054.66x = 314,636,406,823,969.75
  5. Step 5: Solve for x
    x = 314,636,406,823,969.75/20,065,054.66
  6. Step 6: Final answer
    x = 15,680,814.84

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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.