Home / 7,431,312.30-11,146,968.45-4,242,666.30

Finding the Fourth Proportional to 7,431,312.30, 11,146,968.45 and 4,242,666.30

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Solution

The fourth proportional to 7,431,312.30, 11,146,968.45 and 4,242,666.30 is: 6,363,999.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,431,312.30 : 11,146,968.45 = 4,242,666.30 : x
  2. Step 2: Convert to fraction form
    7,431,312.30/11,146,968.45 = 4,242,666.30/x
  3. Step 3: Cross multiply
    7,431,312.30x = 11,146,968.45 × 4,242,666.30
  4. Step 4: Simplify right side
    7,431,312.30x = 47,292,867,389,978.23
  5. Step 5: Solve for x
    x = 47,292,867,389,978.23/7,431,312.30
  6. Step 6: Final answer
    x = 6,363,999.45

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Double scale
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Similar ratio
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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.