Home / 30,277,001.30-45,422,456.40-8,711,781.62

Finding the Fourth Proportional to 30,277,001.30, 45,422,456.40 and 8,711,781.62

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Solution

The fourth proportional to 30,277,001.30, 45,422,456.40 and 8,711,781.62 is: 13,069,673.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,277,001.30 : 45,422,456.40 = 8,711,781.62 : x
  2. Step 2: Convert to fraction form
    30,277,001.30/45,422,456.40 = 8,711,781.62/x
  3. Step 3: Cross multiply
    30,277,001.30x = 45,422,456.40 × 8,711,781.62
  4. Step 4: Simplify right side
    30,277,001.30x = 395,710,520,573,659.06
  5. Step 5: Solve for x
    x = 395,710,520,573,659.06/30,277,001.30
  6. Step 6: Final answer
    x = 13,069,673.47

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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.