Home / 20,892,030.10-31,338,045.15-18,372,606.10

Finding the Fourth Proportional to 20,892,030.10, 31,338,045.15 and 18,372,606.10

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Solution

The fourth proportional to 20,892,030.10, 31,338,045.15 and 18,372,606.10 is: 27,558,909.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,892,030.10 : 31,338,045.15 = 18,372,606.10 : x
  2. Step 2: Convert to fraction form
    20,892,030.10/31,338,045.15 = 18,372,606.10/x
  3. Step 3: Cross multiply
    20,892,030.10x = 31,338,045.15 × 18,372,606.10
  4. Step 4: Simplify right side
    20,892,030.10x = 575,761,559,484,965.38
  5. Step 5: Solve for x
    x = 575,761,559,484,965.38/20,892,030.10
  6. Step 6: Final answer
    x = 27,558,909.15

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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.