Home / 9,878,255.47-14,798,210.75-7,279,841.18

Finding the Fourth Proportional to 9,878,255.47, 14,798,210.75 and 7,279,841.18

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Solution

The fourth proportional to 9,878,255.47, 14,798,210.75 and 7,279,841.18 is: 10,905,632.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,878,255.47 : 14,798,210.75 = 7,279,841.18 : x
  2. Step 2: Convert to fraction form
    9,878,255.47/14,798,210.75 = 7,279,841.18/x
  3. Step 3: Cross multiply
    9,878,255.47x = 14,798,210.75 × 7,279,841.18
  4. Step 4: Simplify right side
    9,878,255.47x = 107,728,624,008,168.69
  5. Step 5: Solve for x
    x = 107,728,624,008,168.69/9,878,255.47
  6. Step 6: Final answer
    x = 10,905,632.51

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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.