Home / 17,390,437.80-26,085,656.70-10,979,903.40

Finding the Fourth Proportional to 17,390,437.80, 26,085,656.70 and 10,979,903.40

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Solution

The fourth proportional to 17,390,437.80, 26,085,656.70 and 10,979,903.40 is: 16,469,855.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,390,437.80 : 26,085,656.70 = 10,979,903.40 : x
  2. Step 2: Convert to fraction form
    17,390,437.80/26,085,656.70 = 10,979,903.40/x
  3. Step 3: Cross multiply
    17,390,437.80x = 26,085,656.70 × 10,979,903.40
  4. Step 4: Simplify right side
    17,390,437.80x = 286,417,990,691,562.81
  5. Step 5: Solve for x
    x = 286,417,990,691,562.81/17,390,437.80
  6. Step 6: Final answer
    x = 16,469,855.10

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1.5x scale

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.