Home / 12,513,468.37-17,268,724.47-6,931,800.38

Finding the Fourth Proportional to 12,513,468.37, 17,268,724.47 and 6,931,800.38

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Solution

The fourth proportional to 12,513,468.37, 17,268,724.47 and 6,931,800.38 is: 9,565,961.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,513,468.37 : 17,268,724.47 = 6,931,800.38 : x
  2. Step 2: Convert to fraction form
    12,513,468.37/17,268,724.47 = 6,931,800.38/x
  3. Step 3: Cross multiply
    12,513,468.37x = 17,268,724.47 × 6,931,800.38
  4. Step 4: Simplify right side
    12,513,468.37x = 119,703,350,843,261.28
  5. Step 5: Solve for x
    x = 119,703,350,843,261.28/12,513,468.37
  6. Step 6: Final answer
    x = 9,565,961.04

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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.