Home / 13,260,719.80-19,879,415.70-8,987,030.20

Finding the Fourth Proportional to 13,260,719.80, 19,879,415.70 and 8,987,030.20

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Solution

The fourth proportional to 13,260,719.80, 19,879,415.70 and 8,987,030.20 is: 13,472,640.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,260,719.80 : 19,879,415.70 = 8,987,030.20 : x
  2. Step 2: Convert to fraction form
    13,260,719.80/19,879,415.70 = 8,987,030.20/x
  3. Step 3: Cross multiply
    13,260,719.80x = 19,879,415.70 × 8,987,030.20
  4. Step 4: Simplify right side
    13,260,719.80x = 178,656,909,254,254.12
  5. Step 5: Solve for x
    x = 178,656,909,254,254.12/13,260,719.80
  6. Step 6: Final answer
    x = 13,472,640.40

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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.