Home / 12,522,130.84-17,280,122.76-6,940,139.49

Finding the Fourth Proportional to 12,522,130.84, 17,280,122.76 and 6,940,139.49

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Solution

The fourth proportional to 12,522,130.84, 17,280,122.76 and 6,940,139.49 is: 9,577,160.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,522,130.84 : 17,280,122.76 = 6,940,139.49 : x
  2. Step 2: Convert to fraction form
    12,522,130.84/17,280,122.76 = 6,940,139.49/x
  3. Step 3: Cross multiply
    12,522,130.84x = 17,280,122.76 × 6,940,139.49
  4. Step 4: Simplify right side
    12,522,130.84x = 119,926,462,358,723.81
  5. Step 5: Solve for x
    x = 119,926,462,358,723.81/12,522,130.84
  6. Step 6: Final answer
    x = 9,577,160.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.