Home / 8,782,430.43-13,188,721.50-5,390,634

Finding the Fourth Proportional to 8,782,430.43, 13,188,721.50 and 5,390,634

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Solution

The fourth proportional to 8,782,430.43, 13,188,721.50 and 5,390,634 is: 8,095,204.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,782,430.43 : 13,188,721.50 = 5,390,634 : x
  2. Step 2: Convert to fraction form
    8,782,430.43/13,188,721.50 = 5,390,634/x
  3. Step 3: Cross multiply
    8,782,430.43x = 13,188,721.50 × 5,390,634
  4. Step 4: Simplify right side
    8,782,430.43x = 71,095,570,534,431
  5. Step 5: Solve for x
    x = 71,095,570,534,431/8,782,430.43
  6. Step 6: Final answer
    x = 8,095,204.52

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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.