Home / 12,119,528-16,725,298.80-6,687,369.92

Finding the Fourth Proportional to 12,119,528, 16,725,298.80 and 6,687,369.92

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Solution

The fourth proportional to 12,119,528, 16,725,298.80 and 6,687,369.92 is: 9,228,763.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,119,528 : 16,725,298.80 = 6,687,369.92 : x
  2. Step 2: Convert to fraction form
    12,119,528/16,725,298.80 = 6,687,369.92/x
  3. Step 3: Cross multiply
    12,119,528x = 16,725,298.80 × 6,687,369.92
  4. Step 4: Simplify right side
    12,119,528x = 111,848,260,098,132.09
  5. Step 5: Solve for x
    x = 111,848,260,098,132.09/12,119,528
  6. Step 6: Final answer
    x = 9,228,763.70

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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.