Home / 30,538,097.18-45,807,464.99-12,098,529.50

Finding the Fourth Proportional to 30,538,097.18, 45,807,464.99 and 12,098,529.50

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Solution

The fourth proportional to 30,538,097.18, 45,807,464.99 and 12,098,529.50 is: 18,147,920.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,538,097.18 : 45,807,464.99 = 12,098,529.50 : x
  2. Step 2: Convert to fraction form
    30,538,097.18/45,807,464.99 = 12,098,529.50/x
  3. Step 3: Cross multiply
    30,538,097.18x = 45,807,464.99 × 12,098,529.50
  4. Step 4: Simplify right side
    30,538,097.18x = 554,202,966,302,941.19
  5. Step 5: Solve for x
    x = 554,202,966,302,941.19/30,538,097.18
  6. Step 6: Final answer
    x = 18,147,920.71

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1.5x scale

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.