Home / 12,215,899.54-18,319,780.44-4,927,476.88

Finding the Fourth Proportional to 12,215,899.54, 18,319,780.44 and 4,927,476.88

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Solution

The fourth proportional to 12,215,899.54, 18,319,780.44 and 4,927,476.88 is: 7,389,574.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,215,899.54 : 18,319,780.44 = 4,927,476.88 : x
  2. Step 2: Convert to fraction form
    12,215,899.54/18,319,780.44 = 4,927,476.88/x
  3. Step 3: Cross multiply
    12,215,899.54x = 18,319,780.44 × 4,927,476.88
  4. Step 4: Simplify right side
    12,215,899.54x = 90,270,294,564,776.23
  5. Step 5: Solve for x
    x = 90,270,294,564,776.23/12,215,899.54
  6. Step 6: Final answer
    x = 7,389,574.08

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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.