Home / 30,898,054.40-46,363,670.40-12,948,972.80

Finding the Fourth Proportional to 30,898,054.40, 46,363,670.40 and 12,948,972.80

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Solution

The fourth proportional to 30,898,054.40, 46,363,670.40 and 12,948,972.80 is: 19,430,411.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,898,054.40 : 46,363,670.40 = 12,948,972.80 : x
  2. Step 2: Convert to fraction form
    30,898,054.40/46,363,670.40 = 12,948,972.80/x
  3. Step 3: Cross multiply
    30,898,054.40x = 46,363,670.40 × 12,948,972.80
  4. Step 4: Simplify right side
    30,898,054.40x = 600,361,906,917,765.12
  5. Step 5: Solve for x
    x = 600,361,906,917,765.12/30,898,054.40
  6. Step 6: Final answer
    x = 19,430,411.35

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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.