Home / 7,884,035.60-11,826,053.40-7,128,208.40

Finding the Fourth Proportional to 7,884,035.60, 11,826,053.40 and 7,128,208.40

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Solution

The fourth proportional to 7,884,035.60, 11,826,053.40 and 7,128,208.40 is: 10,692,312.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,884,035.60 : 11,826,053.40 = 7,128,208.40 : x
  2. Step 2: Convert to fraction form
    7,884,035.60/11,826,053.40 = 7,128,208.40/x
  3. Step 3: Cross multiply
    7,884,035.60x = 11,826,053.40 × 7,128,208.40
  4. Step 4: Simplify right side
    7,884,035.60x = 84,298,573,184,728.56
  5. Step 5: Solve for x
    x = 84,298,573,184,728.56/7,884,035.60
  6. Step 6: Final answer
    x = 10,692,312.60

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Similar ratio
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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.