Home / 14,969,430.89-20,656,966.02-8,442,670.80

Finding the Fourth Proportional to 14,969,430.89, 20,656,966.02 and 8,442,670.80

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Solution

The fourth proportional to 14,969,430.89, 20,656,966.02 and 8,442,670.80 is: 11,650,407.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,969,430.89 : 20,656,966.02 = 8,442,670.80 : x
  2. Step 2: Convert to fraction form
    14,969,430.89/20,656,966.02 = 8,442,670.80/x
  3. Step 3: Cross multiply
    14,969,430.89x = 20,656,966.02 × 8,442,670.80
  4. Step 4: Simplify right side
    14,969,430.89x = 174,399,963,926,939.88
  5. Step 5: Solve for x
    x = 174,399,963,926,939.88/14,969,430.89
  6. Step 6: Final answer
    x = 11,650,407.10

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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.