Home / 12,124,681.68-18,189,928.87-4,037,727.34

Finding the Fourth Proportional to 12,124,681.68, 18,189,928.87 and 4,037,727.34

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Solution

The fourth proportional to 12,124,681.68, 18,189,928.87 and 4,037,727.34 is: 6,057,558.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,124,681.68 : 18,189,928.87 = 4,037,727.34 : x
  2. Step 2: Convert to fraction form
    12,124,681.68/18,189,928.87 = 4,037,727.34/x
  3. Step 3: Cross multiply
    12,124,681.68x = 18,189,928.87 × 4,037,727.34
  4. Step 4: Simplify right side
    12,124,681.68x = 73,445,973,044,091.27
  5. Step 5: Solve for x
    x = 73,445,973,044,091.27/12,124,681.68
  6. Step 6: Final answer
    x = 6,057,558.87

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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.