Home / 12,238,428.20-18,371,784.90-6,569,724.20

Finding the Fourth Proportional to 12,238,428.20, 18,371,784.90 and 6,569,724.20

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Solution

The fourth proportional to 12,238,428.20, 18,371,784.90 and 6,569,724.20 is: 9,862,178.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,238,428.20 : 18,371,784.90 = 6,569,724.20 : x
  2. Step 2: Convert to fraction form
    12,238,428.20/18,371,784.90 = 6,569,724.20/x
  3. Step 3: Cross multiply
    12,238,428.20x = 18,371,784.90 × 6,569,724.20
  4. Step 4: Simplify right side
    12,238,428.20x = 120,697,559,854,724.58
  5. Step 5: Solve for x
    x = 120,697,559,854,724.58/12,238,428.20
  6. Step 6: Final answer
    x = 9,862,178.20

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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.