Home / 22,009,742.15-32,984,753.39-12,420,378.95

Finding the Fourth Proportional to 22,009,742.15, 32,984,753.39 and 12,420,378.95

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Solution

The fourth proportional to 22,009,742.15, 32,984,753.39 and 12,420,378.95 is: 18,613,718.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,009,742.15 : 32,984,753.39 = 12,420,378.95 : x
  2. Step 2: Convert to fraction form
    22,009,742.15/32,984,753.39 = 12,420,378.95/x
  3. Step 3: Cross multiply
    22,009,742.15x = 32,984,753.39 × 12,420,378.95
  4. Step 4: Simplify right side
    22,009,742.15x = 409,683,136,613,995.25
  5. Step 5: Solve for x
    x = 409,683,136,613,995.25/22,009,742.15
  6. Step 6: Final answer
    x = 18,613,718.14

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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.