Home / 7,169,954.20-10,754,931.30-6,386,133.40

Finding the Fourth Proportional to 7,169,954.20, 10,754,931.30 and 6,386,133.40

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Solution

The fourth proportional to 7,169,954.20, 10,754,931.30 and 6,386,133.40 is: 9,579,200.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,169,954.20 : 10,754,931.30 = 6,386,133.40 : x
  2. Step 2: Convert to fraction form
    7,169,954.20/10,754,931.30 = 6,386,133.40/x
  3. Step 3: Cross multiply
    7,169,954.20x = 10,754,931.30 × 6,386,133.40
  4. Step 4: Simplify right side
    7,169,954.20x = 68,682,425,989,635.43
  5. Step 5: Solve for x
    x = 68,682,425,989,635.43/7,169,954.20
  6. Step 6: Final answer
    x = 9,579,200.10

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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.