Home / 15,462,732.60-21,337,986.74-8,587,657.53

Finding the Fourth Proportional to 15,462,732.60, 21,337,986.74 and 8,587,657.53

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Solution

The fourth proportional to 15,462,732.60, 21,337,986.74 and 8,587,657.53 is: 11,850,642.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,462,732.60 : 21,337,986.74 = 8,587,657.53 : x
  2. Step 2: Convert to fraction form
    15,462,732.60/21,337,986.74 = 8,587,657.53/x
  3. Step 3: Cross multiply
    15,462,732.60x = 21,337,986.74 × 8,587,657.53
  4. Step 4: Simplify right side
    15,462,732.60x = 183,243,322,459,862.84
  5. Step 5: Solve for x
    x = 183,243,322,459,862.84/15,462,732.60
  6. Step 6: Final answer
    x = 11,850,642.91

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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.