Home / 51,293,015.55-70,782,235.70-28,087,742.70

Finding the Fourth Proportional to 51,293,015.55, 70,782,235.70 and 28,087,742.70

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Solution

The fourth proportional to 51,293,015.55, 70,782,235.70 and 28,087,742.70 is: 38,759,920.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,293,015.55 : 70,782,235.70 = 28,087,742.70 : x
  2. Step 2: Convert to fraction form
    51,293,015.55/70,782,235.70 = 28,087,742.70/x
  3. Step 3: Cross multiply
    51,293,015.55x = 70,782,235.70 × 28,087,742.70
  4. Step 4: Simplify right side
    51,293,015.55x = 1,988,113,223,931,915.50
  5. Step 5: Solve for x
    x = 1,988,113,223,931,915.50/51,293,015.55
  6. Step 6: Final answer
    x = 38,759,920.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.