Home / 13,013,457.34-17,958,572.79-7,212,613.58

Finding the Fourth Proportional to 13,013,457.34, 17,958,572.79 and 7,212,613.58

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Solution

The fourth proportional to 13,013,457.34, 17,958,572.79 and 7,212,613.58 is: 9,953,407.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,013,457.34 : 17,958,572.79 = 7,212,613.58 : x
  2. Step 2: Convert to fraction form
    13,013,457.34/17,958,572.79 = 7,212,613.58/x
  3. Step 3: Cross multiply
    13,013,457.34x = 17,958,572.79 × 7,212,613.58
  4. Step 4: Simplify right side
    13,013,457.34x = 129,528,245,982,572.48
  5. Step 5: Solve for x
    x = 129,528,245,982,572.48/13,013,457.34
  6. Step 6: Final answer
    x = 9,953,407.66

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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.