Home / 12,948,646.30-19,430,745.45-5,374,822.30

Finding the Fourth Proportional to 12,948,646.30, 19,430,745.45 and 5,374,822.30

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Solution

The fourth proportional to 12,948,646.30, 19,430,745.45 and 5,374,822.30 is: 8,065,461.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,948,646.30 : 19,430,745.45 = 5,374,822.30 : x
  2. Step 2: Convert to fraction form
    12,948,646.30/19,430,745.45 = 5,374,822.30/x
  3. Step 3: Cross multiply
    12,948,646.30x = 19,430,745.45 × 5,374,822.30
  4. Step 4: Simplify right side
    12,948,646.30x = 104,436,803,950,283.53
  5. Step 5: Solve for x
    x = 104,436,803,950,283.53/12,948,646.30
  6. Step 6: Final answer
    x = 8,065,461.17

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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.