Home / 12,012,689.65-16,578,968.24-6,785,918.21

Finding the Fourth Proportional to 12,012,689.65, 16,578,968.24 and 6,785,918.21

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Solution

The fourth proportional to 12,012,689.65, 16,578,968.24 and 6,785,918.21 is: 9,365,389.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,012,689.65 : 16,578,968.24 = 6,785,918.21 : x
  2. Step 2: Convert to fraction form
    12,012,689.65/16,578,968.24 = 6,785,918.21/x
  3. Step 3: Cross multiply
    12,012,689.65x = 16,578,968.24 × 6,785,918.21
  4. Step 4: Simplify right side
    12,012,689.65x = 112,503,522,479,068.73
  5. Step 5: Solve for x
    x = 112,503,522,479,068.73/12,012,689.65
  6. Step 6: Final answer
    x = 9,365,389.91

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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.