Home / 20,742,810.30-31,054,428.33-20,742,810.30

Finding the Fourth Proportional to 20,742,810.30, 31,054,428.33 and 20,742,810.30

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Solution

The fourth proportional to 20,742,810.30, 31,054,428.33 and 20,742,810.30 is: 31,054,428.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,742,810.30 : 31,054,428.33 = 20,742,810.30 : x
  2. Step 2: Convert to fraction form
    20,742,810.30/31,054,428.33 = 20,742,810.30/x
  3. Step 3: Cross multiply
    20,742,810.30x = 31,054,428.33 × 20,742,810.30
  4. Step 4: Simplify right side
    20,742,810.30x = 644,156,115,824,135.75
  5. Step 5: Solve for x
    x = 644,156,115,824,135.75/20,742,810.30
  6. Step 6: Final answer
    x = 31,054,428.33

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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.