Home / 14,631,271.28-20,190,290.45-8,014,543.79

Finding the Fourth Proportional to 14,631,271.28, 20,190,290.45 and 8,014,543.79

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Solution

The fourth proportional to 14,631,271.28, 20,190,290.45 and 8,014,543.79 is: 11,059,597.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,631,271.28 : 20,190,290.45 = 8,014,543.79 : x
  2. Step 2: Convert to fraction form
    14,631,271.28/20,190,290.45 = 8,014,543.79/x
  3. Step 3: Cross multiply
    14,631,271.28x = 20,190,290.45 × 8,014,543.79
  4. Step 4: Simplify right side
    14,631,271.28x = 161,815,966,803,319.62
  5. Step 5: Solve for x
    x = 161,815,966,803,319.62/14,631,271.28
  6. Step 6: Final answer
    x = 11,059,597.20

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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.