Home / 10,656,145.80-15,984,218.70-4,672,513.80

Finding the Fourth Proportional to 10,656,145.80, 15,984,218.70 and 4,672,513.80

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Solution

The fourth proportional to 10,656,145.80, 15,984,218.70 and 4,672,513.80 is: 7,008,770.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,656,145.80 : 15,984,218.70 = 4,672,513.80 : x
  2. Step 2: Convert to fraction form
    10,656,145.80/15,984,218.70 = 4,672,513.80/x
  3. Step 3: Cross multiply
    10,656,145.80x = 15,984,218.70 × 4,672,513.80
  4. Step 4: Simplify right side
    10,656,145.80x = 74,686,482,457,968.05
  5. Step 5: Solve for x
    x = 74,686,482,457,968.05/10,656,145.80
  6. Step 6: Final answer
    x = 7,008,770.70

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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.