Home / 17,390,431.80-26,085,647.70-10,979,897.40

Finding the Fourth Proportional to 17,390,431.80, 26,085,647.70 and 10,979,897.40

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Solution

The fourth proportional to 17,390,431.80, 26,085,647.70 and 10,979,897.40 is: 16,469,846.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,390,431.80 : 26,085,647.70 = 10,979,897.40 : x
  2. Step 2: Convert to fraction form
    17,390,431.80/26,085,647.70 = 10,979,897.40/x
  3. Step 3: Cross multiply
    17,390,431.80x = 26,085,647.70 × 10,979,897.40
  4. Step 4: Simplify right side
    17,390,431.80x = 286,417,735,358,546
  5. Step 5: Solve for x
    x = 286,417,735,358,546/17,390,431.80
  6. Step 6: Final answer
    x = 16,469,846.10

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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.