Home / 15,257,130.36-21,054,607.20-8,287,773.72

Finding the Fourth Proportional to 15,257,130.36, 21,054,607.20 and 8,287,773.72

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Solution

The fourth proportional to 15,257,130.36, 21,054,607.20 and 8,287,773.72 is: 11,437,001.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,257,130.36 : 21,054,607.20 = 8,287,773.72 : x
  2. Step 2: Convert to fraction form
    15,257,130.36/21,054,607.20 = 8,287,773.72/x
  3. Step 3: Cross multiply
    15,257,130.36x = 21,054,607.20 × 8,287,773.72
  4. Step 4: Simplify right side
    15,257,130.36x = 174,495,820,237,082.78
  5. Step 5: Solve for x
    x = 174,495,820,237,082.78/15,257,130.36
  6. Step 6: Final answer
    x = 11,437,001.33

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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.