Home / 13,283,903.48-18,331,220.40-7,403,224.74

Finding the Fourth Proportional to 13,283,903.48, 18,331,220.40 and 7,403,224.74

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Solution

The fourth proportional to 13,283,903.48, 18,331,220.40 and 7,403,224.74 is: 10,216,134.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,283,903.48 : 18,331,220.40 = 7,403,224.74 : x
  2. Step 2: Convert to fraction form
    13,283,903.48/18,331,220.40 = 7,403,224.74/x
  3. Step 3: Cross multiply
    13,283,903.48x = 18,331,220.40 × 7,403,224.74
  4. Step 4: Simplify right side
    13,283,903.48x = 135,710,144,333,844.62
  5. Step 5: Solve for x
    x = 135,710,144,333,844.62/13,283,903.48
  6. Step 6: Final answer
    x = 10,216,134.48

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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.