Home / 15,622,713.45-21,559,567.13-9,007,171.04

Finding the Fourth Proportional to 15,622,713.45, 21,559,567.13 and 9,007,171.04

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Solution

The fourth proportional to 15,622,713.45, 21,559,567.13 and 9,007,171.04 is: 12,430,024.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,622,713.45 : 21,559,567.13 = 9,007,171.04 : x
  2. Step 2: Convert to fraction form
    15,622,713.45/21,559,567.13 = 9,007,171.04/x
  3. Step 3: Cross multiply
    15,622,713.45x = 21,559,567.13 × 9,007,171.04
  4. Step 4: Simplify right side
    15,622,713.45x = 194,190,708,535,438.22
  5. Step 5: Solve for x
    x = 194,190,708,535,438.22/15,622,713.45
  6. Step 6: Final answer
    x = 12,430,024.35

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1.5x scale

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.