Home / 18,217,358.40-27,326,037.60-4,754,186.40

Finding the Fourth Proportional to 18,217,358.40, 27,326,037.60 and 4,754,186.40

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Solution

The fourth proportional to 18,217,358.40, 27,326,037.60 and 4,754,186.40 is: 7,131,279.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,217,358.40 : 27,326,037.60 = 4,754,186.40 : x
  2. Step 2: Convert to fraction form
    18,217,358.40/27,326,037.60 = 4,754,186.40/x
  3. Step 3: Cross multiply
    18,217,358.40x = 27,326,037.60 × 4,754,186.40
  4. Step 4: Simplify right side
    18,217,358.40x = 129,913,076,323,808.66
  5. Step 5: Solve for x
    x = 129,913,076,323,808.66/18,217,358.40
  6. Step 6: Final answer
    x = 7,131,279.60

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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.