Home / 12,840,458.40-19,255,088.08-4,856,683.68

Finding the Fourth Proportional to 12,840,458.40, 19,255,088.08 and 4,856,683.68

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Solution

The fourth proportional to 12,840,458.40, 19,255,088.08 and 4,856,683.68 is: 7,282,907.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,840,458.40 : 19,255,088.08 = 4,856,683.68 : x
  2. Step 2: Convert to fraction form
    12,840,458.40/19,255,088.08 = 4,856,683.68/x
  3. Step 3: Cross multiply
    12,840,458.40x = 19,255,088.08 × 4,856,683.68
  4. Step 4: Simplify right side
    12,840,458.40x = 93,515,872,035,098.52
  5. Step 5: Solve for x
    x = 93,515,872,035,098.52/12,840,458.40
  6. Step 6: Final answer
    x = 7,282,907.60

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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.