Home / 13,257,613.47-18,294,901.88-7,377,538.35

Finding the Fourth Proportional to 13,257,613.47, 18,294,901.88 and 7,377,538.35

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Solution

The fourth proportional to 13,257,613.47, 18,294,901.88 and 7,377,538.35 is: 10,180,666.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,257,613.47 : 18,294,901.88 = 7,377,538.35 : x
  2. Step 2: Convert to fraction form
    13,257,613.47/18,294,901.88 = 7,377,538.35/x
  3. Step 3: Cross multiply
    13,257,613.47x = 18,294,901.88 × 7,377,538.35
  4. Step 4: Simplify right side
    13,257,613.47x = 134,971,340,192,299.41
  5. Step 5: Solve for x
    x = 134,971,340,192,299.41/13,257,613.47
  6. Step 6: Final answer
    x = 10,180,666.41

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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.