Home / 30,466,025.79-45,710,414.96-12,275,381.74

Finding the Fourth Proportional to 30,466,025.79, 45,710,414.96 and 12,275,381.74

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Solution

The fourth proportional to 30,466,025.79, 45,710,414.96 and 12,275,381.74 is: 18,417,656.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,466,025.79 : 45,710,414.96 = 12,275,381.74 : x
  2. Step 2: Convert to fraction form
    30,466,025.79/45,710,414.96 = 12,275,381.74/x
  3. Step 3: Cross multiply
    30,466,025.79x = 45,710,414.96 × 12,275,381.74
  4. Step 4: Simplify right side
    30,466,025.79x = 561,112,793,106,910
  5. Step 5: Solve for x
    x = 561,112,793,106,910/30,466,025.79
  6. Step 6: Final answer
    x = 18,417,656.34

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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.