Home / 13,000,776.15-17,941,635.08-7,199,557.91

Finding the Fourth Proportional to 13,000,776.15, 17,941,635.08 and 7,199,557.91

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Solution

The fourth proportional to 13,000,776.15, 17,941,635.08 and 7,199,557.91 is: 9,935,702.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,000,776.15 : 17,941,635.08 = 7,199,557.91 : x
  2. Step 2: Convert to fraction form
    13,000,776.15/17,941,635.08 = 7,199,557.91/x
  3. Step 3: Cross multiply
    13,000,776.15x = 17,941,635.08 × 7,199,557.91
  4. Step 4: Simplify right side
    13,000,776.15x = 129,171,840,686,782.72
  5. Step 5: Solve for x
    x = 129,171,840,686,782.72/13,000,776.15
  6. Step 6: Final answer
    x = 9,935,702.24

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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.