Home / 13,013,036.70-17,956,933.11-7,212,062.94

Finding the Fourth Proportional to 13,013,036.70, 17,956,933.11 and 7,212,062.94

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Solution

The fourth proportional to 13,013,036.70, 17,956,933.11 and 7,212,062.94 is: 9,952,060.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,013,036.70 : 17,956,933.11 = 7,212,062.94 : x
  2. Step 2: Convert to fraction form
    13,013,036.70/17,956,933.11 = 7,212,062.94/x
  3. Step 3: Cross multiply
    13,013,036.70x = 17,956,933.11 × 7,212,062.94
  4. Step 4: Simplify right side
    13,013,036.70x = 129,506,531,798,689.95
  5. Step 5: Solve for x
    x = 129,506,531,798,689.95/13,013,036.70
  6. Step 6: Final answer
    x = 9,952,060.75

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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.