Home / 18,955,998.40-28,425,703.20-7,592,670.40

Finding the Fourth Proportional to 18,955,998.40, 28,425,703.20 and 7,592,670.40

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Solution

The fourth proportional to 18,955,998.40, 28,425,703.20 and 7,592,670.40 is: 11,385,683.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,955,998.40 : 28,425,703.20 = 7,592,670.40 : x
  2. Step 2: Convert to fraction form
    18,955,998.40/28,425,703.20 = 7,592,670.40/x
  3. Step 3: Cross multiply
    18,955,998.40x = 28,425,703.20 × 7,592,670.40
  4. Step 4: Simplify right side
    18,955,998.40x = 215,826,995,285,825.28
  5. Step 5: Solve for x
    x = 215,826,995,285,825.28/18,955,998.40
  6. Step 6: Final answer
    x = 11,385,683.35

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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.