Home / 15,076,817,398.72-20,805,336,869.52-8,642,024,263.36

Finding the Fourth Proportional to 15,076,817,398.72, 20,805,336,869.52 and 8,642,024,263.36

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Solution

The fourth proportional to 15,076,817,398.72, 20,805,336,869.52 and 8,642,024,263.36 is: 11,925,608,785.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,076,817,398.72 : 20,805,336,869.52 = 8,642,024,263.36 : x
  2. Step 2: Convert to fraction form
    15,076,817,398.72/20,805,336,869.52 = 8,642,024,263.36/x
  3. Step 3: Cross multiply
    15,076,817,398.72x = 20,805,336,869.52 × 8,642,024,263.36
  4. Step 4: Simplify right side
    15,076,817,398.72x = 179,800,226,033,770,233,856
  5. Step 5: Solve for x
    x = 179,800,226,033,770,233,856/15,076,817,398.72
  6. Step 6: Final answer
    x = 11,925,608,785.91

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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.