Home / 15,118,176.86-20,862,483.03-8,925,218.47

Finding the Fourth Proportional to 15,118,176.86, 20,862,483.03 and 8,925,218.47

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Solution

The fourth proportional to 15,118,176.86, 20,862,483.03 and 8,925,218.47 is: 12,316,446.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,118,176.86 : 20,862,483.03 = 8,925,218.47 : x
  2. Step 2: Convert to fraction form
    15,118,176.86/20,862,483.03 = 8,925,218.47/x
  3. Step 3: Cross multiply
    15,118,176.86x = 20,862,483.03 × 8,925,218.47
  4. Step 4: Simplify right side
    15,118,176.86x = 186,202,218,878,701.44
  5. Step 5: Solve for x
    x = 186,202,218,878,701.44/15,118,176.86
  6. Step 6: Final answer
    x = 12,316,446.66

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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.