Home / 15,758,146.88-21,756,363.45-9,885,832.10

Finding the Fourth Proportional to 15,758,146.88, 21,756,363.45 and 9,885,832.10

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Solution

The fourth proportional to 15,758,146.88, 21,756,363.45 and 9,885,832.10 is: 13,648,797.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,758,146.88 : 21,756,363.45 = 9,885,832.10 : x
  2. Step 2: Convert to fraction form
    15,758,146.88/21,756,363.45 = 9,885,832.10/x
  3. Step 3: Cross multiply
    15,758,146.88x = 21,756,363.45 × 9,885,832.10
  4. Step 4: Simplify right side
    15,758,146.88x = 215,079,756,173,276.72
  5. Step 5: Solve for x
    x = 215,079,756,173,276.72/15,758,146.88
  6. Step 6: Final answer
    x = 13,648,797.53

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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.