Home / 11,663,205.60-17,494,808.40-7,406,428.80

Finding the Fourth Proportional to 11,663,205.60, 17,494,808.40 and 7,406,428.80

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Solution

The fourth proportional to 11,663,205.60, 17,494,808.40 and 7,406,428.80 is: 11,109,643.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,663,205.60 : 17,494,808.40 = 7,406,428.80 : x
  2. Step 2: Convert to fraction form
    11,663,205.60/17,494,808.40 = 7,406,428.80/x
  3. Step 3: Cross multiply
    11,663,205.60x = 17,494,808.40 × 7,406,428.80
  4. Step 4: Simplify right side
    11,663,205.60x = 129,574,052,784,241.91
  5. Step 5: Solve for x
    x = 129,574,052,784,241.91/11,663,205.60
  6. Step 6: Final answer
    x = 11,109,643.20

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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.