Home / 10,400,911.20-15,580,371.60-5,907,938.40

Finding the Fourth Proportional to 10,400,911.20, 15,580,371.60 and 5,907,938.40

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Solution

The fourth proportional to 10,400,911.20, 15,580,371.60 and 5,907,938.40 is: 8,849,981.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,400,911.20 : 15,580,371.60 = 5,907,938.40 : x
  2. Step 2: Convert to fraction form
    10,400,911.20/15,580,371.60 = 5,907,938.40/x
  3. Step 3: Cross multiply
    10,400,911.20x = 15,580,371.60 × 5,907,938.40
  4. Step 4: Simplify right side
    10,400,911.20x = 92,047,875,661,909.44
  5. Step 5: Solve for x
    x = 92,047,875,661,909.44/10,400,911.20
  6. Step 6: Final answer
    x = 8,849,981.88

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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.