Home / 22,009,742.65-32,984,754.14-12,420,379.45

Finding the Fourth Proportional to 22,009,742.65, 32,984,754.14 and 12,420,379.45

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Solution

The fourth proportional to 22,009,742.65, 32,984,754.14 and 12,420,379.45 is: 18,613,718.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,009,742.65 : 32,984,754.14 = 12,420,379.45 : x
  2. Step 2: Convert to fraction form
    22,009,742.65/32,984,754.14 = 12,420,379.45/x
  3. Step 3: Cross multiply
    22,009,742.65x = 32,984,754.14 × 12,420,379.45
  4. Step 4: Simplify right side
    22,009,742.65x = 409,683,162,421,656.50
  5. Step 5: Solve for x
    x = 409,683,162,421,656.50/22,009,742.65
  6. Step 6: Final answer
    x = 18,613,718.89

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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.