Home / 14,435,057.48-19,920,378.70-7,908,934.48

Finding the Fourth Proportional to 14,435,057.48, 19,920,378.70 and 7,908,934.48

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Solution

The fourth proportional to 14,435,057.48, 19,920,378.70 and 7,908,934.48 is: 10,914,329.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,435,057.48 : 19,920,378.70 = 7,908,934.48 : x
  2. Step 2: Convert to fraction form
    14,435,057.48/19,920,378.70 = 7,908,934.48/x
  3. Step 3: Cross multiply
    14,435,057.48x = 19,920,378.70 × 7,908,934.48
  4. Step 4: Simplify right side
    14,435,057.48x = 157,548,969,955,087.59
  5. Step 5: Solve for x
    x = 157,548,969,955,087.59/14,435,057.48
  6. Step 6: Final answer
    x = 10,914,329.24

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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.