Home / 15,386,285,829.54-21,232,854,835.62-8,519,026,171.50

Finding the Fourth Proportional to 15,386,285,829.54, 21,232,854,835.62 and 8,519,026,171.50

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Solution

The fourth proportional to 15,386,285,829.54, 21,232,854,835.62 and 8,519,026,171.50 is: 11,756,134,524.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,386,285,829.54 : 21,232,854,835.62 = 8,519,026,171.50 : x
  2. Step 2: Convert to fraction form
    15,386,285,829.54/21,232,854,835.62 = 8,519,026,171.50/x
  3. Step 3: Cross multiply
    15,386,285,829.54x = 21,232,854,835.62 × 8,519,026,171.50
  4. Step 4: Simplify right side
    15,386,285,829.54x = 180,883,246,040,307,105,792
  5. Step 5: Solve for x
    x = 180,883,246,040,307,105,792/15,386,285,829.54
  6. Step 6: Final answer
    x = 11,756,134,524.23

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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.