Home / 12,425,531.34-18,630,685.65-4,843,639.50

Finding the Fourth Proportional to 12,425,531.34, 18,630,685.65 and 4,843,639.50

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Solution

The fourth proportional to 12,425,531.34, 18,630,685.65 and 4,843,639.50 is: 7,262,492.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,425,531.34 : 18,630,685.65 = 4,843,639.50 : x
  2. Step 2: Convert to fraction form
    12,425,531.34/18,630,685.65 = 4,843,639.50/x
  3. Step 3: Cross multiply
    12,425,531.34x = 18,630,685.65 × 4,843,639.50
  4. Step 4: Simplify right side
    12,425,531.34x = 90,240,324,926,423.17
  5. Step 5: Solve for x
    x = 90,240,324,926,423.17/12,425,531.34
  6. Step 6: Final answer
    x = 7,262,492.24

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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.