Home / 15,979,621.72-22,054,038.70-9,011,732.20

Finding the Fourth Proportional to 15,979,621.72, 22,054,038.70 and 9,011,732.20

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Solution

The fourth proportional to 15,979,621.72, 22,054,038.70 and 9,011,732.20 is: 12,437,408.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,979,621.72 : 22,054,038.70 = 9,011,732.20 : x
  2. Step 2: Convert to fraction form
    15,979,621.72/22,054,038.70 = 9,011,732.20/x
  3. Step 3: Cross multiply
    15,979,621.72x = 22,054,038.70 × 9,011,732.20
  4. Step 4: Simplify right side
    15,979,621.72x = 198,745,090,692,836.12
  5. Step 5: Solve for x
    x = 198,745,090,692,836.12/15,979,621.72
  6. Step 6: Final answer
    x = 12,437,408.98

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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.