Home / 16,798,503.70-25,202,421.15-7,218,471.70

Finding the Fourth Proportional to 16,798,503.70, 25,202,421.15 and 7,218,471.70

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Solution

The fourth proportional to 16,798,503.70, 25,202,421.15 and 7,218,471.70 is: 10,829,712.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,798,503.70 : 25,202,421.15 = 7,218,471.70 : x
  2. Step 2: Convert to fraction form
    16,798,503.70/25,202,421.15 = 7,218,471.70/x
  3. Step 3: Cross multiply
    16,798,503.70x = 25,202,421.15 × 7,218,471.70
  4. Step 4: Simplify right side
    16,798,503.70x = 181,922,963,842,756.44
  5. Step 5: Solve for x
    x = 181,922,963,842,756.44/16,798,503.70
  6. Step 6: Final answer
    x = 10,829,712.40

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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.