Home / 7,881,406.40-11,822,109.60-4,692,760.40

Finding the Fourth Proportional to 7,881,406.40, 11,822,109.60 and 4,692,760.40

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Solution

The fourth proportional to 7,881,406.40, 11,822,109.60 and 4,692,760.40 is: 7,039,140.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,881,406.40 : 11,822,109.60 = 4,692,760.40 : x
  2. Step 2: Convert to fraction form
    7,881,406.40/11,822,109.60 = 4,692,760.40/x
  3. Step 3: Cross multiply
    7,881,406.40x = 11,822,109.60 × 4,692,760.40
  4. Step 4: Simplify right side
    7,881,406.40x = 55,478,327,775,339.84
  5. Step 5: Solve for x
    x = 55,478,327,775,339.84/7,881,406.40
  6. Step 6: Final answer
    x = 7,039,140.60

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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.