Home / 10,239,322.21-14,129,060.79-5,655,370.21

Finding the Fourth Proportional to 10,239,322.21, 14,129,060.79 and 5,655,370.21

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Solution

The fourth proportional to 10,239,322.21, 14,129,060.79 and 5,655,370.21 is: 7,803,745.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,239,322.21 : 14,129,060.79 = 5,655,370.21 : x
  2. Step 2: Convert to fraction form
    10,239,322.21/14,129,060.79 = 5,655,370.21/x
  3. Step 3: Cross multiply
    10,239,322.21x = 14,129,060.79 × 5,655,370.21
  4. Step 4: Simplify right side
    10,239,322.21x = 79,905,069,487,045.06
  5. Step 5: Solve for x
    x = 79,905,069,487,045.06/10,239,322.21
  6. Step 6: Final answer
    x = 7,803,745.98

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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.