Home / 12,384,992.40-18,577,488.60-9,834,075.60

Finding the Fourth Proportional to 12,384,992.40, 18,577,488.60 and 9,834,075.60

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Solution

The fourth proportional to 12,384,992.40, 18,577,488.60 and 9,834,075.60 is: 14,751,113.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,384,992.40 : 18,577,488.60 = 9,834,075.60 : x
  2. Step 2: Convert to fraction form
    12,384,992.40/18,577,488.60 = 9,834,075.60/x
  3. Step 3: Cross multiply
    12,384,992.40x = 18,577,488.60 × 9,834,075.60
  4. Step 4: Simplify right side
    12,384,992.40x = 182,692,427,350,538.16
  5. Step 5: Solve for x
    x = 182,692,427,350,538.16/12,384,992.40
  6. Step 6: Final answer
    x = 14,751,113.40

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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.