Home / 30,392,311.30-45,588,466.95-9,117,175.30

Finding the Fourth Proportional to 30,392,311.30, 45,588,466.95 and 9,117,175.30

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Solution

The fourth proportional to 30,392,311.30, 45,588,466.95 and 9,117,175.30 is: 13,675,762.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,392,311.30 : 45,588,466.95 = 9,117,175.30 : x
  2. Step 2: Convert to fraction form
    30,392,311.30/45,588,466.95 = 9,117,175.30/x
  3. Step 3: Cross multiply
    30,392,311.30x = 45,588,466.95 × 9,117,175.30
  4. Step 4: Simplify right side
    30,392,311.30x = 415,638,044,841,406.38
  5. Step 5: Solve for x
    x = 415,638,044,841,406.38/30,392,311.30
  6. Step 6: Final answer
    x = 13,675,762.95

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.