Home / 13,013,458.34-17,958,574.17-7,212,614.58

Finding the Fourth Proportional to 13,013,458.34, 17,958,574.17 and 7,212,614.58

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Solution

The fourth proportional to 13,013,458.34, 17,958,574.17 and 7,212,614.58 is: 9,953,409.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,013,458.34 : 17,958,574.17 = 7,212,614.58 : x
  2. Step 2: Convert to fraction form
    13,013,458.34/17,958,574.17 = 7,212,614.58/x
  3. Step 3: Cross multiply
    13,013,458.34x = 17,958,574.17 × 7,212,614.58
  4. Step 4: Simplify right side
    13,013,458.34x = 129,528,273,894,553.41
  5. Step 5: Solve for x
    x = 129,528,273,894,553.41/13,013,458.34
  6. Step 6: Final answer
    x = 9,953,409.04

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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.