Home / 12,012,693.04-16,578,972.90-6,785,921.58

Finding the Fourth Proportional to 12,012,693.04, 16,578,972.90 and 6,785,921.58

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Solution

The fourth proportional to 12,012,693.04, 16,578,972.90 and 6,785,921.58 is: 9,365,394.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,012,693.04 : 16,578,972.90 = 6,785,921.58 : x
  2. Step 2: Convert to fraction form
    12,012,693.04/16,578,972.90 = 6,785,921.58/x
  3. Step 3: Cross multiply
    12,012,693.04x = 16,578,972.90 × 6,785,921.58
  4. Step 4: Simplify right side
    12,012,693.04x = 112,503,609,976,345.19
  5. Step 5: Solve for x
    x = 112,503,609,976,345.19/12,012,693.04
  6. Step 6: Final answer
    x = 9,365,394.55

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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.