Home / 9,091,950.72-12,547,184.75-5,171,606.35

Finding the Fourth Proportional to 9,091,950.72, 12,547,184.75 and 5,171,606.35

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Solution

The fourth proportional to 9,091,950.72, 12,547,184.75 and 5,171,606.35 is: 7,136,983.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,091,950.72 : 12,547,184.75 = 5,171,606.35 : x
  2. Step 2: Convert to fraction form
    9,091,950.72/12,547,184.75 = 5,171,606.35/x
  3. Step 3: Cross multiply
    9,091,950.72x = 12,547,184.75 × 5,171,606.35
  4. Step 4: Simplify right side
    9,091,950.72x = 64,889,100,327,723.16
  5. Step 5: Solve for x
    x = 64,889,100,327,723.16/9,091,950.72
  6. Step 6: Final answer
    x = 7,136,983.29

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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.