Home / 14,021,421.90-21,030,164.55-4,437,769.20

Finding the Fourth Proportional to 14,021,421.90, 21,030,164.55 and 4,437,769.20

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Solution

The fourth proportional to 14,021,421.90, 21,030,164.55 and 4,437,769.20 is: 6,656,030.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,021,421.90 : 21,030,164.55 = 4,437,769.20 : x
  2. Step 2: Convert to fraction form
    14,021,421.90/21,030,164.55 = 4,437,769.20/x
  3. Step 3: Cross multiply
    14,021,421.90x = 21,030,164.55 × 4,437,769.20
  4. Step 4: Simplify right side
    14,021,421.90x = 93,327,016,510,921.88
  5. Step 5: Solve for x
    x = 93,327,016,510,921.88/14,021,421.90
  6. Step 6: Final answer
    x = 6,656,030.83

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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.