Home / 51,125,570.16-76,688,366.85-12,787,088.64

Finding the Fourth Proportional to 51,125,570.16, 76,688,366.85 and 12,787,088.64

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Solution

The fourth proportional to 51,125,570.16, 76,688,366.85 and 12,787,088.64 is: 19,180,635.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,125,570.16 : 76,688,366.85 = 12,787,088.64 : x
  2. Step 2: Convert to fraction form
    51,125,570.16/76,688,366.85 = 12,787,088.64/x
  3. Step 3: Cross multiply
    51,125,570.16x = 76,688,366.85 × 12,787,088.64
  4. Step 4: Simplify right side
    51,125,570.16x = 980,620,944,567,787.50
  5. Step 5: Solve for x
    x = 980,620,944,567,787.50/51,125,570.16
  6. Step 6: Final answer
    x = 19,180,635.86

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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.