Home / 12,182,962.95-16,820,133.17-7,839,597.35

Finding the Fourth Proportional to 12,182,962.95, 16,820,133.17 and 7,839,597.35

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Solution

The fourth proportional to 12,182,962.95, 16,820,133.17 and 7,839,597.35 is: 10,823,563.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,182,962.95 : 16,820,133.17 = 7,839,597.35 : x
  2. Step 2: Convert to fraction form
    12,182,962.95/16,820,133.17 = 7,839,597.35/x
  3. Step 3: Cross multiply
    12,182,962.95x = 16,820,133.17 × 7,839,597.35
  4. Step 4: Simplify right side
    12,182,962.95x = 131,863,071,429,031.44
  5. Step 5: Solve for x
    x = 131,863,071,429,031.44/12,182,962.95
  6. Step 6: Final answer
    x = 10,823,563.36

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1.5x scale

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.