Home / 15,773,878.70-21,768,018.20-8,530,534.70

Finding the Fourth Proportional to 15,773,878.70, 21,768,018.20 and 8,530,534.70

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Solution

The fourth proportional to 15,773,878.70, 21,768,018.20 and 8,530,534.70 is: 11,772,173.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,773,878.70 : 21,768,018.20 = 8,530,534.70 : x
  2. Step 2: Convert to fraction form
    15,773,878.70/21,768,018.20 = 8,530,534.70/x
  3. Step 3: Cross multiply
    15,773,878.70x = 21,768,018.20 × 8,530,534.70
  4. Step 4: Simplify right side
    15,773,878.70x = 185,692,834,605,331.53
  5. Step 5: Solve for x
    x = 185,692,834,605,331.53/15,773,878.70
  6. Step 6: Final answer
    x = 11,772,173.36

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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.