Home / 18,737,130.30-28,116,193.05-7,952,595.90

Finding the Fourth Proportional to 18,737,130.30, 28,116,193.05 and 7,952,595.90

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Solution

The fourth proportional to 18,737,130.30, 28,116,193.05 and 7,952,595.90 is: 11,933,349.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,737,130.30 : 28,116,193.05 = 7,952,595.90 : x
  2. Step 2: Convert to fraction form
    18,737,130.30/28,116,193.05 = 7,952,595.90/x
  3. Step 3: Cross multiply
    18,737,130.30x = 28,116,193.05 × 7,952,595.90
  4. Step 4: Simplify right side
    18,737,130.30x = 223,596,721,573,038.50
  5. Step 5: Solve for x
    x = 223,596,721,573,038.50/18,737,130.30
  6. Step 6: Final answer
    x = 11,933,349.34

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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.