Home / 10,750,768.72-14,835,075.68-6,400,913.20

Finding the Fourth Proportional to 10,750,768.72, 14,835,075.68 and 6,400,913.20

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Solution

The fourth proportional to 10,750,768.72, 14,835,075.68 and 6,400,913.20 is: 8,832,673.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,750,768.72 : 14,835,075.68 = 6,400,913.20 : x
  2. Step 2: Convert to fraction form
    10,750,768.72/14,835,075.68 = 6,400,913.20/x
  3. Step 3: Cross multiply
    10,750,768.72x = 14,835,075.68 × 6,400,913.20
  4. Step 4: Simplify right side
    10,750,768.72x = 94,958,031,743,110.98
  5. Step 5: Solve for x
    x = 94,958,031,743,110.98/10,750,768.72
  6. Step 6: Final answer
    x = 8,832,673.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.