Home / 9,007,369.80-13,511,054.70-8,688,505.20

Finding the Fourth Proportional to 9,007,369.80, 13,511,054.70 and 8,688,505.20

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Solution

The fourth proportional to 9,007,369.80, 13,511,054.70 and 8,688,505.20 is: 13,032,757.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,007,369.80 : 13,511,054.70 = 8,688,505.20 : x
  2. Step 2: Convert to fraction form
    9,007,369.80/13,511,054.70 = 8,688,505.20/x
  3. Step 3: Cross multiply
    9,007,369.80x = 13,511,054.70 × 8,688,505.20
  4. Step 4: Simplify right side
    9,007,369.80x = 117,390,869,018,434.42
  5. Step 5: Solve for x
    x = 117,390,869,018,434.42/9,007,369.80
  6. Step 6: Final answer
    x = 13,032,757.80

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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.