Home / 45,574,291.66-68,359,025.82-12,787,143.73

Finding the Fourth Proportional to 45,574,291.66, 68,359,025.82 and 12,787,143.73

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Solution

The fourth proportional to 45,574,291.66, 68,359,025.82 and 12,787,143.73 is: 19,180,038.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,574,291.66 : 68,359,025.82 = 12,787,143.73 : x
  2. Step 2: Convert to fraction form
    45,574,291.66/68,359,025.82 = 12,787,143.73/x
  3. Step 3: Cross multiply
    45,574,291.66x = 68,359,025.82 × 12,787,143.73
  4. Step 4: Simplify right side
    45,574,291.66x = 874,116,688,652,948
  5. Step 5: Solve for x
    x = 874,116,688,652,948/45,574,291.66
  6. Step 6: Final answer
    x = 19,180,038.94

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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.