Home / 12,727,783.67-17,564,737.48-7,221,390.59

Finding the Fourth Proportional to 12,727,783.67, 17,564,737.48 and 7,221,390.59

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Solution

The fourth proportional to 12,727,783.67, 17,564,737.48 and 7,221,390.59 is: 9,965,743.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,727,783.67 : 17,564,737.48 = 7,221,390.59 : x
  2. Step 2: Convert to fraction form
    12,727,783.67/17,564,737.48 = 7,221,390.59/x
  3. Step 3: Cross multiply
    12,727,783.67x = 17,564,737.48 × 7,221,390.59
  4. Step 4: Simplify right side
    12,727,783.67x = 126,841,829,979,750.67
  5. Step 5: Solve for x
    x = 126,841,829,979,750.67/12,727,783.67
  6. Step 6: Final answer
    x = 9,965,743.71

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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.