Home / 8,530,998.40-12,771,614.40-7,635,203.20

Finding the Fourth Proportional to 8,530,998.40, 12,771,614.40 and 7,635,203.20

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Solution

The fourth proportional to 8,530,998.40, 12,771,614.40 and 7,635,203.20 is: 11,430,534.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,530,998.40 : 12,771,614.40 = 7,635,203.20 : x
  2. Step 2: Convert to fraction form
    8,530,998.40/12,771,614.40 = 7,635,203.20/x
  3. Step 3: Cross multiply
    8,530,998.40x = 12,771,614.40 × 7,635,203.20
  4. Step 4: Simplify right side
    8,530,998.40x = 97,513,871,136,046.08
  5. Step 5: Solve for x
    x = 97,513,871,136,046.08/8,530,998.40
  6. Step 6: Final answer
    x = 11,430,534.45

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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.