Home / 30,937,393.60-42,697,314.54-18,554,299.49

Finding the Fourth Proportional to 30,937,393.60, 42,697,314.54 and 18,554,299.49

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Solution

The fourth proportional to 30,937,393.60, 42,697,314.54 and 18,554,299.49 is: 25,607,159.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,937,393.60 : 42,697,314.54 = 18,554,299.49 : x
  2. Step 2: Convert to fraction form
    30,937,393.60/42,697,314.54 = 18,554,299.49/x
  3. Step 3: Cross multiply
    30,937,393.60x = 42,697,314.54 × 18,554,299.49
  4. Step 4: Simplify right side
    30,937,393.60x = 792,218,761,500,634.88
  5. Step 5: Solve for x
    x = 792,218,761,500,634.88/30,937,393.60
  6. Step 6: Final answer
    x = 25,607,159.15

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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.