Home / 31,703,487-43,750,818.41-19,313,579.76

Finding the Fourth Proportional to 31,703,487, 43,750,818.41 and 19,313,579.76

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Solution

The fourth proportional to 31,703,487, 43,750,818.41 and 19,313,579.76 is: 26,652,743.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,703,487 : 43,750,818.41 = 19,313,579.76 : x
  2. Step 2: Convert to fraction form
    31,703,487/43,750,818.41 = 19,313,579.76/x
  3. Step 3: Cross multiply
    31,703,487x = 43,750,818.41 × 19,313,579.76
  4. Step 4: Simplify right side
    31,703,487x = 844,984,920,926,811.38
  5. Step 5: Solve for x
    x = 844,984,920,926,811.38/31,703,487
  6. Step 6: Final answer
    x = 26,652,743.94

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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.