Home / 13,671,281.70-18,865,995.42-7,559,501.22

Finding the Fourth Proportional to 13,671,281.70, 18,865,995.42 and 7,559,501.22

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Solution

The fourth proportional to 13,671,281.70, 18,865,995.42 and 7,559,501.22 is: 10,431,905.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,671,281.70 : 18,865,995.42 = 7,559,501.22 : x
  2. Step 2: Convert to fraction form
    13,671,281.70/18,865,995.42 = 7,559,501.22/x
  3. Step 3: Cross multiply
    13,671,281.70x = 18,865,995.42 × 7,559,501.22
  4. Step 4: Simplify right side
    13,671,281.70x = 142,617,515,394,004.41
  5. Step 5: Solve for x
    x = 142,617,515,394,004.41/13,671,281.70
  6. Step 6: Final answer
    x = 10,431,905.25

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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.