Home / 7,169,935.70-10,754,903.55-6,386,114.90

Finding the Fourth Proportional to 7,169,935.70, 10,754,903.55 and 6,386,114.90

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Solution

The fourth proportional to 7,169,935.70, 10,754,903.55 and 6,386,114.90 is: 9,579,172.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,169,935.70 : 10,754,903.55 = 6,386,114.90 : x
  2. Step 2: Convert to fraction form
    7,169,935.70/10,754,903.55 = 6,386,114.90/x
  3. Step 3: Cross multiply
    7,169,935.70x = 10,754,903.55 × 6,386,114.90
  4. Step 4: Simplify right side
    7,169,935.70x = 68,682,049,808,717.91
  5. Step 5: Solve for x
    x = 68,682,049,808,717.91/7,169,935.70
  6. Step 6: Final answer
    x = 9,579,172.35

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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.