Home / 30,580,962.40-42,195,610.64-17,532,314.40

Finding the Fourth Proportional to 30,580,962.40, 42,195,610.64 and 17,532,314.40

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Solution

The fourth proportional to 30,580,962.40, 42,195,610.64 and 17,532,314.40 is: 24,191,086.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,580,962.40 : 42,195,610.64 = 17,532,314.40 : x
  2. Step 2: Convert to fraction form
    30,580,962.40/42,195,610.64 = 17,532,314.40/x
  3. Step 3: Cross multiply
    30,580,962.40x = 42,195,610.64 × 17,532,314.40
  4. Step 4: Simplify right side
    30,580,962.40x = 739,786,712,040,465.12
  5. Step 5: Solve for x
    x = 739,786,712,040,465.12/30,580,962.40
  6. Step 6: Final answer
    x = 24,191,086.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.