Home / 12,286,814.10-18,444,217.95-7,240,967.70

Finding the Fourth Proportional to 12,286,814.10, 18,444,217.95 and 7,240,967.70

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Solution

The fourth proportional to 12,286,814.10, 18,444,217.95 and 7,240,967.70 is: 10,869,700.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,286,814.10 : 18,444,217.95 = 7,240,967.70 : x
  2. Step 2: Convert to fraction form
    12,286,814.10/18,444,217.95 = 7,240,967.70/x
  3. Step 3: Cross multiply
    12,286,814.10x = 18,444,217.95 × 7,240,967.70
  4. Step 4: Simplify right side
    12,286,814.10x = 133,553,986,427,710.22
  5. Step 5: Solve for x
    x = 133,553,986,427,710.22/12,286,814.10
  6. Step 6: Final answer
    x = 10,869,700.26

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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.