Home / 18,690,089.40-28,047,672.90-6,559,529.40

Finding the Fourth Proportional to 18,690,089.40, 28,047,672.90 and 6,559,529.40

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Solution

The fourth proportional to 18,690,089.40, 28,047,672.90 and 6,559,529.40 is: 9,843,694.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,690,089.40 : 28,047,672.90 = 6,559,529.40 : x
  2. Step 2: Convert to fraction form
    18,690,089.40/28,047,672.90 = 6,559,529.40/x
  3. Step 3: Cross multiply
    18,690,089.40x = 28,047,672.90 × 6,559,529.40
  4. Step 4: Simplify right side
    18,690,089.40x = 183,979,534,989,133.25
  5. Step 5: Solve for x
    x = 183,979,534,989,133.25/18,690,089.40
  6. Step 6: Final answer
    x = 9,843,694.75

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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.