Home / 9,767,693.20-14,651,539.80-7,878,125.20

Finding the Fourth Proportional to 9,767,693.20, 14,651,539.80 and 7,878,125.20

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Solution

The fourth proportional to 9,767,693.20, 14,651,539.80 and 7,878,125.20 is: 11,817,187.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,767,693.20 : 14,651,539.80 = 7,878,125.20 : x
  2. Step 2: Convert to fraction form
    9,767,693.20/14,651,539.80 = 7,878,125.20/x
  3. Step 3: Cross multiply
    9,767,693.20x = 14,651,539.80 × 7,878,125.20
  4. Step 4: Simplify right side
    9,767,693.20x = 115,426,664,917,182.97
  5. Step 5: Solve for x
    x = 115,426,664,917,182.97/9,767,693.20
  6. Step 6: Final answer
    x = 11,817,187.80

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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.