Home / 12,702,280.47-19,053,435.57-3,480,331.05

Finding the Fourth Proportional to 12,702,280.47, 19,053,435.57 and 3,480,331.05

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Solution

The fourth proportional to 12,702,280.47, 19,053,435.57 and 3,480,331.05 is: 5,220,500.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,702,280.47 : 19,053,435.57 = 3,480,331.05 : x
  2. Step 2: Convert to fraction form
    12,702,280.47/19,053,435.57 = 3,480,331.05/x
  3. Step 3: Cross multiply
    12,702,280.47x = 19,053,435.57 × 3,480,331.05
  4. Step 4: Simplify right side
    12,702,280.47x = 66,312,263,423,445.45
  5. Step 5: Solve for x
    x = 66,312,263,423,445.45/12,702,280.47
  6. Step 6: Final answer
    x = 5,220,500.65

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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.