Home / 20,742,809.55-31,054,427.21-20,742,809.55

Finding the Fourth Proportional to 20,742,809.55, 31,054,427.21 and 20,742,809.55

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Solution

The fourth proportional to 20,742,809.55, 31,054,427.21 and 20,742,809.55 is: 31,054,427.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,742,809.55 : 31,054,427.21 = 20,742,809.55 : x
  2. Step 2: Convert to fraction form
    20,742,809.55/31,054,427.21 = 20,742,809.55/x
  3. Step 3: Cross multiply
    20,742,809.55x = 31,054,427.21 × 20,742,809.55
  4. Step 4: Simplify right side
    20,742,809.55x = 644,156,069,197,653.75
  5. Step 5: Solve for x
    x = 644,156,069,197,653.75/20,742,809.55
  6. Step 6: Final answer
    x = 31,054,427.21

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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.