Home / 15,118,238.58-20,862,568.35-8,925,280.31

Finding the Fourth Proportional to 15,118,238.58, 20,862,568.35 and 8,925,280.31

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Solution

The fourth proportional to 15,118,238.58, 20,862,568.35 and 8,925,280.31 is: 12,316,532.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,118,238.58 : 20,862,568.35 = 8,925,280.31 : x
  2. Step 2: Convert to fraction form
    15,118,238.58/20,862,568.35 = 8,925,280.31/x
  3. Step 3: Cross multiply
    15,118,238.58x = 20,862,568.35 × 8,925,280.31
  4. Step 4: Simplify right side
    15,118,238.58x = 186,204,270,405,971.34
  5. Step 5: Solve for x
    x = 186,204,270,405,971.34/15,118,238.58
  6. Step 6: Final answer
    x = 12,316,532.08

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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.