Home / 13,306,899.16-18,362,759.70-7,505,335.72

Finding the Fourth Proportional to 13,306,899.16, 18,362,759.70 and 7,505,335.72

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Solution

The fourth proportional to 13,306,899.16, 18,362,759.70 and 7,505,335.72 is: 10,356,934.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,306,899.16 : 18,362,759.70 = 7,505,335.72 : x
  2. Step 2: Convert to fraction form
    13,306,899.16/18,362,759.70 = 7,505,335.72/x
  3. Step 3: Cross multiply
    13,306,899.16x = 18,362,759.70 × 7,505,335.72
  4. Step 4: Simplify right side
    13,306,899.16x = 137,818,676,294,186.47
  5. Step 5: Solve for x
    x = 137,818,676,294,186.47/13,306,899.16
  6. Step 6: Final answer
    x = 10,356,934.00

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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.