Home / 30,657,644.84-45,989,125.38-11,232,147.69

Finding the Fourth Proportional to 30,657,644.84, 45,989,125.38 and 11,232,147.69

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Solution

The fourth proportional to 30,657,644.84, 45,989,125.38 and 11,232,147.69 is: 16,849,195.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,657,644.84 : 45,989,125.38 = 11,232,147.69 : x
  2. Step 2: Convert to fraction form
    30,657,644.84/45,989,125.38 = 11,232,147.69/x
  3. Step 3: Cross multiply
    30,657,644.84x = 45,989,125.38 × 11,232,147.69
  4. Step 4: Simplify right side
    30,657,644.84x = 516,556,648,402,087.38
  5. Step 5: Solve for x
    x = 516,556,648,402,087.38/30,657,644.84
  6. Step 6: Final answer
    x = 16,849,195.40

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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.