Home / 12,013,756.80-16,578,852.16-6,506,994.56

Finding the Fourth Proportional to 12,013,756.80, 16,578,852.16 and 6,506,994.56

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Solution

The fourth proportional to 12,013,756.80, 16,578,852.16 and 6,506,994.56 is: 8,979,580.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,013,756.80 : 16,578,852.16 = 6,506,994.56 : x
  2. Step 2: Convert to fraction form
    12,013,756.80/16,578,852.16 = 6,506,994.56/x
  3. Step 3: Cross multiply
    12,013,756.80x = 16,578,852.16 × 6,506,994.56
  4. Step 4: Simplify right side
    12,013,756.80x = 107,878,500,816,164.25
  5. Step 5: Solve for x
    x = 107,878,500,816,164.25/12,013,756.80
  6. Step 6: Final answer
    x = 8,979,580.88

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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.