Home / 17,142,869.61-23,657,448.60-9,408,631.59

Finding the Fourth Proportional to 17,142,869.61, 23,657,448.60 and 9,408,631.59

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Solution

The fourth proportional to 17,142,869.61, 23,657,448.60 and 9,408,631.59 is: 12,984,069.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,142,869.61 : 23,657,448.60 = 9,408,631.59 : x
  2. Step 2: Convert to fraction form
    17,142,869.61/23,657,448.60 = 9,408,631.59/x
  3. Step 3: Cross multiply
    17,142,869.61x = 23,657,448.60 × 9,408,631.59
  4. Step 4: Simplify right side
    17,142,869.61x = 222,584,218,236,761.28
  5. Step 5: Solve for x
    x = 222,584,218,236,761.28/17,142,869.61
  6. Step 6: Final answer
    x = 12,984,069.95

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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.