Home / 7,303,345.20-10,955,017.80-1,911,985.20

Finding the Fourth Proportional to 7,303,345.20, 10,955,017.80 and 1,911,985.20

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Solution

The fourth proportional to 7,303,345.20, 10,955,017.80 and 1,911,985.20 is: 2,867,977.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,303,345.20 : 10,955,017.80 = 1,911,985.20 : x
  2. Step 2: Convert to fraction form
    7,303,345.20/10,955,017.80 = 1,911,985.20/x
  3. Step 3: Cross multiply
    7,303,345.20x = 10,955,017.80 × 1,911,985.20
  4. Step 4: Simplify right side
    7,303,345.20x = 20,945,831,899,336.56
  5. Step 5: Solve for x
    x = 20,945,831,899,336.56/7,303,345.20
  6. Step 6: Final answer
    x = 2,867,977.80

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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.