Home / 8,587,648.80-12,881,473.20-7,180,970.40

Finding the Fourth Proportional to 8,587,648.80, 12,881,473.20 and 7,180,970.40

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Solution

The fourth proportional to 8,587,648.80, 12,881,473.20 and 7,180,970.40 is: 10,771,455.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,587,648.80 : 12,881,473.20 = 7,180,970.40 : x
  2. Step 2: Convert to fraction form
    8,587,648.80/12,881,473.20 = 7,180,970.40/x
  3. Step 3: Cross multiply
    8,587,648.80x = 12,881,473.20 × 7,180,970.40
  4. Step 4: Simplify right side
    8,587,648.80x = 92,501,477,757,593.28
  5. Step 5: Solve for x
    x = 92,501,477,757,593.28/8,587,648.80
  6. Step 6: Final answer
    x = 10,771,455.60

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1.5x scale

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.