Home / 8,424,005.10-12,636,007.65-4,840,824.30

Finding the Fourth Proportional to 8,424,005.10, 12,636,007.65 and 4,840,824.30

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Solution

The fourth proportional to 8,424,005.10, 12,636,007.65 and 4,840,824.30 is: 7,261,236.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,424,005.10 : 12,636,007.65 = 4,840,824.30 : x
  2. Step 2: Convert to fraction form
    8,424,005.10/12,636,007.65 = 4,840,824.30/x
  3. Step 3: Cross multiply
    8,424,005.10x = 12,636,007.65 × 4,840,824.30
  4. Step 4: Simplify right side
    8,424,005.10x = 61,168,692,887,105.89
  5. Step 5: Solve for x
    x = 61,168,692,887,105.89/8,424,005.10
  6. Step 6: Final answer
    x = 7,261,236.45

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Double scale
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Similar ratio
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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.