Home / 11,816,496-16,298,666.64-7,235,079.84

Finding the Fourth Proportional to 11,816,496, 16,298,666.64 and 7,235,079.84

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Solution

The fourth proportional to 11,816,496, 16,298,666.64 and 7,235,079.84 is: 9,979,451.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,816,496 : 16,298,666.64 = 7,235,079.84 : x
  2. Step 2: Convert to fraction form
    11,816,496/16,298,666.64 = 7,235,079.84/x
  3. Step 3: Cross multiply
    11,816,496x = 16,298,666.64 × 7,235,079.84
  4. Step 4: Simplify right side
    11,816,496x = 117,922,154,425,944.55
  5. Step 5: Solve for x
    x = 117,922,154,425,944.55/11,816,496
  6. Step 6: Final answer
    x = 9,979,451.98

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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.