Home / 12,997,726.44-17,937,423.12-7,196,508.04

Finding the Fourth Proportional to 12,997,726.44, 17,937,423.12 and 7,196,508.04

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Solution

The fourth proportional to 12,997,726.44, 17,937,423.12 and 7,196,508.04 is: 9,931,491.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,997,726.44 : 17,937,423.12 = 7,196,508.04 : x
  2. Step 2: Convert to fraction form
    12,997,726.44/17,937,423.12 = 7,196,508.04/x
  3. Step 3: Cross multiply
    12,997,726.44x = 17,937,423.12 × 7,196,508.04
  4. Step 4: Simplify right side
    12,997,726.44x = 129,086,809,699,961.89
  5. Step 5: Solve for x
    x = 129,086,809,699,961.89/12,997,726.44
  6. Step 6: Final answer
    x = 9,931,491.50

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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.