Home / 6,139,352.70-9,191,314.35-5,430,764.70

Finding the Fourth Proportional to 6,139,352.70, 9,191,314.35 and 5,430,764.70

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Solution

The fourth proportional to 6,139,352.70, 9,191,314.35 and 5,430,764.70 is: 8,130,476.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,139,352.70 : 9,191,314.35 = 5,430,764.70 : x
  2. Step 2: Convert to fraction form
    6,139,352.70/9,191,314.35 = 5,430,764.70/x
  3. Step 3: Cross multiply
    6,139,352.70x = 9,191,314.35 × 5,430,764.70
  4. Step 4: Simplify right side
    6,139,352.70x = 49,915,865,518,583.45
  5. Step 5: Solve for x
    x = 49,915,865,518,583.45/6,139,352.70
  6. Step 6: Final answer
    x = 8,130,476.93

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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.