Home / 8,157,384.60-12,235,688.10-2,765,506.20

Finding the Fourth Proportional to 8,157,384.60, 12,235,688.10 and 2,765,506.20

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Solution

The fourth proportional to 8,157,384.60, 12,235,688.10 and 2,765,506.20 is: 4,148,127.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,157,384.60 : 12,235,688.10 = 2,765,506.20 : x
  2. Step 2: Convert to fraction form
    8,157,384.60/12,235,688.10 = 2,765,506.20/x
  3. Step 3: Cross multiply
    8,157,384.60x = 12,235,688.10 × 2,765,506.20
  4. Step 4: Simplify right side
    8,157,384.60x = 33,837,871,301,816.22
  5. Step 5: Solve for x
    x = 33,837,871,301,816.22/8,157,384.60
  6. Step 6: Final answer
    x = 4,148,127.49

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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.