Home / 15,453,391.12-21,325,762.08-9,655,535.08

Finding the Fourth Proportional to 15,453,391.12, 21,325,762.08 and 9,655,535.08

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Solution

The fourth proportional to 15,453,391.12, 21,325,762.08 and 9,655,535.08 is: 13,324,689.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,453,391.12 : 21,325,762.08 = 9,655,535.08 : x
  2. Step 2: Convert to fraction form
    15,453,391.12/21,325,762.08 = 9,655,535.08/x
  3. Step 3: Cross multiply
    15,453,391.12x = 21,325,762.08 × 9,655,535.08
  4. Step 4: Simplify right side
    15,453,391.12x = 205,911,643,871,173.75
  5. Step 5: Solve for x
    x = 205,911,643,871,173.75/15,453,391.12
  6. Step 6: Final answer
    x = 13,324,689.85

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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.