Home / 14,020,111.70-21,030,167.55-6,461,839.70

Finding the Fourth Proportional to 14,020,111.70, 21,030,167.55 and 6,461,839.70

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Solution

The fourth proportional to 14,020,111.70, 21,030,167.55 and 6,461,839.70 is: 9,692,759.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,020,111.70 : 21,030,167.55 = 6,461,839.70 : x
  2. Step 2: Convert to fraction form
    14,020,111.70/21,030,167.55 = 6,461,839.70/x
  3. Step 3: Cross multiply
    14,020,111.70x = 21,030,167.55 × 6,461,839.70
  4. Step 4: Simplify right side
    14,020,111.70x = 135,893,571,572,241.75
  5. Step 5: Solve for x
    x = 135,893,571,572,241.75/14,020,111.70
  6. Step 6: Final answer
    x = 9,692,759.55

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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.