Home / 21,153,164.88-31,734,315.63-6,579,807.15

Finding the Fourth Proportional to 21,153,164.88, 31,734,315.63 and 6,579,807.15

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Solution

The fourth proportional to 21,153,164.88, 31,734,315.63 and 6,579,807.15 is: 9,871,131.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,153,164.88 : 31,734,315.63 = 6,579,807.15 : x
  2. Step 2: Convert to fraction form
    21,153,164.88/31,734,315.63 = 6,579,807.15/x
  3. Step 3: Cross multiply
    21,153,164.88x = 31,734,315.63 × 6,579,807.15
  4. Step 4: Simplify right side
    21,153,164.88x = 208,805,676,882,630.75
  5. Step 5: Solve for x
    x = 208,805,676,882,630.75/21,153,164.88
  6. Step 6: Final answer
    x = 9,871,131.72

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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.