Home / 9,419,567.60-14,129,481-2,687,980.40

Finding the Fourth Proportional to 9,419,567.60, 14,129,481 and 2,687,980.40

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Solution

The fourth proportional to 9,419,567.60, 14,129,481 and 2,687,980.40 is: 4,032,007.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,419,567.60 : 14,129,481 = 2,687,980.40 : x
  2. Step 2: Convert to fraction form
    9,419,567.60/14,129,481 = 2,687,980.40/x
  3. Step 3: Cross multiply
    9,419,567.60x = 14,129,481 × 2,687,980.40
  4. Step 4: Simplify right side
    9,419,567.60x = 37,979,767,990,172.40
  5. Step 5: Solve for x
    x = 37,979,767,990,172.40/9,419,567.60
  6. Step 6: Final answer
    x = 4,032,007.58

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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.