Home / 10,402,645.20-15,582,972.60-5,909,672.40

Finding the Fourth Proportional to 10,402,645.20, 15,582,972.60 and 5,909,672.40

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Solution

The fourth proportional to 10,402,645.20, 15,582,972.60 and 5,909,672.40 is: 8,852,581.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,402,645.20 : 15,582,972.60 = 5,909,672.40 : x
  2. Step 2: Convert to fraction form
    10,402,645.20/15,582,972.60 = 5,909,672.40/x
  3. Step 3: Cross multiply
    10,402,645.20x = 15,582,972.60 × 5,909,672.40
  4. Step 4: Simplify right side
    10,402,645.20x = 92,090,263,084,176.25
  5. Step 5: Solve for x
    x = 92,090,263,084,176.25/10,402,645.20
  6. Step 6: Final answer
    x = 8,852,581.37

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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.