Home / 15,432,567.30-21,294,985.41-8,461,410.38

Finding the Fourth Proportional to 15,432,567.30, 21,294,985.41 and 8,461,410.38

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Solution

The fourth proportional to 15,432,567.30, 21,294,985.41 and 8,461,410.38 is: 11,675,673.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,432,567.30 : 21,294,985.41 = 8,461,410.38 : x
  2. Step 2: Convert to fraction form
    15,432,567.30/21,294,985.41 = 8,461,410.38/x
  3. Step 3: Cross multiply
    15,432,567.30x = 21,294,985.41 × 8,461,410.38
  4. Step 4: Simplify right side
    15,432,567.30x = 180,185,610,590,122.56
  5. Step 5: Solve for x
    x = 180,185,610,590,122.56/15,432,567.30
  6. Step 6: Final answer
    x = 11,675,673.08

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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.