Home / 8,333,261.80-12,499,892.70-7,429,812.10

Finding the Fourth Proportional to 8,333,261.80, 12,499,892.70 and 7,429,812.10

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Solution

The fourth proportional to 8,333,261.80, 12,499,892.70 and 7,429,812.10 is: 11,144,718.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,333,261.80 : 12,499,892.70 = 7,429,812.10 : x
  2. Step 2: Convert to fraction form
    8,333,261.80/12,499,892.70 = 7,429,812.10/x
  3. Step 3: Cross multiply
    8,333,261.80x = 12,499,892.70 × 7,429,812.10
  4. Step 4: Simplify right side
    8,333,261.80x = 92,871,854,031,161.66
  5. Step 5: Solve for x
    x = 92,871,854,031,161.66/8,333,261.80
  6. Step 6: Final answer
    x = 11,144,718.15

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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.