Home / 14,275,811.31-21,421,815.75-7,710,439.02

Finding the Fourth Proportional to 14,275,811.31, 21,421,815.75 and 7,710,439.02

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Solution

The fourth proportional to 14,275,811.31, 21,421,815.75 and 7,710,439.02 is: 11,570,032.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,275,811.31 : 21,421,815.75 = 7,710,439.02 : x
  2. Step 2: Convert to fraction form
    14,275,811.31/21,421,815.75 = 7,710,439.02/x
  3. Step 3: Cross multiply
    14,275,811.31x = 21,421,815.75 × 7,710,439.02
  4. Step 4: Simplify right side
    14,275,811.31x = 165,171,604,038,050.56
  5. Step 5: Solve for x
    x = 165,171,604,038,050.56/14,275,811.31
  6. Step 6: Final answer
    x = 11,570,032.73

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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.