Home / 14,020,201.20-21,030,301.80-8,634,932.40

Finding the Fourth Proportional to 14,020,201.20, 21,030,301.80 and 8,634,932.40

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Solution

The fourth proportional to 14,020,201.20, 21,030,301.80 and 8,634,932.40 is: 12,952,398.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,020,201.20 : 21,030,301.80 = 8,634,932.40 : x
  2. Step 2: Convert to fraction form
    14,020,201.20/21,030,301.80 = 8,634,932.40/x
  3. Step 3: Cross multiply
    14,020,201.20x = 21,030,301.80 × 8,634,932.40
  4. Step 4: Simplify right side
    14,020,201.20x = 181,595,234,394,598.34
  5. Step 5: Solve for x
    x = 181,595,234,394,598.34/14,020,201.20
  6. Step 6: Final answer
    x = 12,952,398.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.