Home / 10,641,875.20-15,943,459.20-6,140,780.80

Finding the Fourth Proportional to 10,641,875.20, 15,943,459.20 and 6,140,780.80

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Solution

The fourth proportional to 10,641,875.20, 15,943,459.20 and 6,140,780.80 is: 9,200,003.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,641,875.20 : 15,943,459.20 = 6,140,780.80 : x
  2. Step 2: Convert to fraction form
    10,641,875.20/15,943,459.20 = 6,140,780.80/x
  3. Step 3: Cross multiply
    10,641,875.20x = 15,943,459.20 × 6,140,780.80
  4. Step 4: Simplify right side
    10,641,875.20x = 97,905,288,140,943.36
  5. Step 5: Solve for x
    x = 97,905,288,140,943.36/10,641,875.20
  6. Step 6: Final answer
    x = 9,200,003.41

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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.