Home / 13,280,052.47-18,326,510.36-7,699,383.52

Finding the Fourth Proportional to 13,280,052.47, 18,326,510.36 and 7,699,383.52

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Solution

The fourth proportional to 13,280,052.47, 18,326,510.36 and 7,699,383.52 is: 10,625,171.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,280,052.47 : 18,326,510.36 = 7,699,383.52 : x
  2. Step 2: Convert to fraction form
    13,280,052.47/18,326,510.36 = 7,699,383.52/x
  3. Step 3: Cross multiply
    13,280,052.47x = 18,326,510.36 × 7,699,383.52
  4. Step 4: Simplify right side
    13,280,052.47x = 141,102,831,832,761.78
  5. Step 5: Solve for x
    x = 141,102,831,832,761.78/13,280,052.47
  6. Step 6: Final answer
    x = 10,625,171.26

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1.5x scale

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.