Home / 8,587,653.80-12,881,480.70-7,180,975.40

Finding the Fourth Proportional to 8,587,653.80, 12,881,480.70 and 7,180,975.40

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Solution

The fourth proportional to 8,587,653.80, 12,881,480.70 and 7,180,975.40 is: 10,771,463.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,587,653.80 : 12,881,480.70 = 7,180,975.40 : x
  2. Step 2: Convert to fraction form
    8,587,653.80/12,881,480.70 = 7,180,975.40/x
  3. Step 3: Cross multiply
    8,587,653.80x = 12,881,480.70 × 7,180,975.40
  4. Step 4: Simplify right side
    8,587,653.80x = 92,501,596,022,274.78
  5. Step 5: Solve for x
    x = 92,501,596,022,274.78/8,587,653.80
  6. Step 6: Final answer
    x = 10,771,463.10

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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.