Home / 12,355,293.84-18,516,800.16-6,890,170.56

Finding the Fourth Proportional to 12,355,293.84, 18,516,800.16 and 6,890,170.56

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Solution

The fourth proportional to 12,355,293.84, 18,516,800.16 and 6,890,170.56 is: 10,326,254.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,355,293.84 : 18,516,800.16 = 6,890,170.56 : x
  2. Step 2: Convert to fraction form
    12,355,293.84/18,516,800.16 = 6,890,170.56/x
  3. Step 3: Cross multiply
    12,355,293.84x = 18,516,800.16 × 6,890,170.56
  4. Step 4: Simplify right side
    12,355,293.84x = 127,583,911,327,835.28
  5. Step 5: Solve for x
    x = 127,583,911,327,835.28/12,355,293.84
  6. Step 6: Final answer
    x = 10,326,254.72

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1.5x scale

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.