Home / 12,551,364.60-18,827,046.90-8,724,989.40

Finding the Fourth Proportional to 12,551,364.60, 18,827,046.90 and 8,724,989.40

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Solution

The fourth proportional to 12,551,364.60, 18,827,046.90 and 8,724,989.40 is: 13,087,484.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,551,364.60 : 18,827,046.90 = 8,724,989.40 : x
  2. Step 2: Convert to fraction form
    12,551,364.60/18,827,046.90 = 8,724,989.40/x
  3. Step 3: Cross multiply
    12,551,364.60x = 18,827,046.90 × 8,724,989.40
  4. Step 4: Simplify right side
    12,551,364.60x = 164,265,784,635,802.84
  5. Step 5: Solve for x
    x = 164,265,784,635,802.84/12,551,364.60
  6. Step 6: Final answer
    x = 13,087,484.10

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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.