Home / 18,833,474.40-28,210,048.56-9,103,385.04

Finding the Fourth Proportional to 18,833,474.40, 28,210,048.56 and 9,103,385.04

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Solution

The fourth proportional to 18,833,474.40, 28,210,048.56 and 9,103,385.04 is: 13,635,664.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,833,474.40 : 28,210,048.56 = 9,103,385.04 : x
  2. Step 2: Convert to fraction form
    18,833,474.40/28,210,048.56 = 9,103,385.04/x
  3. Step 3: Cross multiply
    18,833,474.40x = 28,210,048.56 × 9,103,385.04
  4. Step 4: Simplify right side
    18,833,474.40x = 256,806,934,038,777.50
  5. Step 5: Solve for x
    x = 256,806,934,038,777.50/18,833,474.40
  6. Step 6: Final answer
    x = 13,635,664.27

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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.