Home / 10,572,501.28-14,597,071.44-8,120,728.48

Finding the Fourth Proportional to 10,572,501.28, 14,597,071.44 and 8,120,728.48

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Solution

The fourth proportional to 10,572,501.28, 14,597,071.44 and 8,120,728.48 is: 11,211,997.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,572,501.28 : 14,597,071.44 = 8,120,728.48 : x
  2. Step 2: Convert to fraction form
    10,572,501.28/14,597,071.44 = 8,120,728.48/x
  3. Step 3: Cross multiply
    10,572,501.28x = 14,597,071.44 × 8,120,728.48
  4. Step 4: Simplify right side
    10,572,501.28x = 118,538,853,767,402.61
  5. Step 5: Solve for x
    x = 118,538,853,767,402.61/10,572,501.28
  6. Step 6: Final answer
    x = 11,211,997.11

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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.