Home / 12,345,424.68-17,036,463.09-6,838,782.51

Finding the Fourth Proportional to 12,345,424.68, 17,036,463.09 and 6,838,782.51

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Solution

The fourth proportional to 12,345,424.68, 17,036,463.09 and 6,838,782.51 is: 9,437,396.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,345,424.68 : 17,036,463.09 = 6,838,782.51 : x
  2. Step 2: Convert to fraction form
    12,345,424.68/17,036,463.09 = 6,838,782.51/x
  3. Step 3: Cross multiply
    12,345,424.68x = 17,036,463.09 × 6,838,782.51
  4. Step 4: Simplify right side
    12,345,424.68x = 116,508,665,812,152.55
  5. Step 5: Solve for x
    x = 116,508,665,812,152.55/12,345,424.68
  6. Step 6: Final answer
    x = 9,437,396.35

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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.