Home / 27,161,415.40-40,742,123.10-20,784,123.40

Finding the Fourth Proportional to 27,161,415.40, 40,742,123.10 and 20,784,123.40

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Solution

The fourth proportional to 27,161,415.40, 40,742,123.10 and 20,784,123.40 is: 31,176,185.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,161,415.40 : 40,742,123.10 = 20,784,123.40 : x
  2. Step 2: Convert to fraction form
    27,161,415.40/40,742,123.10 = 20,784,123.40/x
  3. Step 3: Cross multiply
    27,161,415.40x = 40,742,123.10 × 20,784,123.40
  4. Step 4: Simplify right side
    27,161,415.40x = 846,789,314,088,390.50
  5. Step 5: Solve for x
    x = 846,789,314,088,390.50/27,161,415.40
  6. Step 6: Final answer
    x = 31,176,185.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.