Home / 15,664,056.68-21,617,766.06-9,139,788.02

Finding the Fourth Proportional to 15,664,056.68, 21,617,766.06 and 9,139,788.02

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Solution

The fourth proportional to 15,664,056.68, 21,617,766.06 and 9,139,788.02 is: 12,613,705.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,664,056.68 : 21,617,766.06 = 9,139,788.02 : x
  2. Step 2: Convert to fraction form
    15,664,056.68/21,617,766.06 = 9,139,788.02/x
  3. Step 3: Cross multiply
    15,664,056.68x = 21,617,766.06 × 9,139,788.02
  4. Step 4: Simplify right side
    15,664,056.68x = 197,581,799,254,350.59
  5. Step 5: Solve for x
    x = 197,581,799,254,350.59/15,664,056.68
  6. Step 6: Final answer
    x = 12,613,705.59

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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.