Home / 12,689,597.77-19,041,595.56-6,853,711.28

Finding the Fourth Proportional to 12,689,597.77, 19,041,595.56 and 6,853,711.28

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Solution

The fourth proportional to 12,689,597.77, 19,041,595.56 and 6,853,711.28 is: 10,284,455.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,689,597.77 : 19,041,595.56 = 6,853,711.28 : x
  2. Step 2: Convert to fraction form
    12,689,597.77/19,041,595.56 = 6,853,711.28/x
  3. Step 3: Cross multiply
    12,689,597.77x = 19,041,595.56 × 6,853,711.28
  4. Step 4: Simplify right side
    12,689,597.77x = 130,505,598,352,075.31
  5. Step 5: Solve for x
    x = 130,505,598,352,075.31/12,689,597.77
  6. Step 6: Final answer
    x = 10,284,455.09

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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.