Home / 14,275,820.28-21,421,829.25-7,710,448.02

Finding the Fourth Proportional to 14,275,820.28, 21,421,829.25 and 7,710,448.02

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Solution

The fourth proportional to 14,275,820.28, 21,421,829.25 and 7,710,448.02 is: 11,570,046.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,275,820.28 : 21,421,829.25 = 7,710,448.02 : x
  2. Step 2: Convert to fraction form
    14,275,820.28/21,421,829.25 = 7,710,448.02/x
  3. Step 3: Cross multiply
    14,275,820.28x = 21,421,829.25 × 7,710,448.02
  4. Step 4: Simplify right side
    14,275,820.28x = 165,171,900,925,440.56
  5. Step 5: Solve for x
    x = 165,171,900,925,440.56/14,275,820.28
  6. Step 6: Final answer
    x = 11,570,046.25

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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.